Bumped version to v3.3.0.

Their certificate-embedded counterparts are enabled as well.

As with RSA, it *is* possible for DSA keys to be of variable length (not
just 1024 bits), so I've added `{'variable_key_len': True}` to the relevant
`HOST_KEY_TYPES` entries, although this key-value pair is otherwise unused.

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: jtesta

.github/workflows/tox.yaml

@@ -7,18 +7,18 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install -U codecov coveralls flake8 mypy pylint pytest tox
+          python3 -m pip install --upgrade pip
+          python3 -m pip install -U codecov coveralls flake8 mypy pylint pytest tox
       - name: Run Tox
         run: |
-          tox
+          python3 -m tox

CONTRIBUTING.md

@@ -11,7 +11,7 @@ However, if you can submit patches that pass all of our automated tests, then yo
 
 [Tox](https://tox.wiki/) is used to automate testing.  Linting is done with [pylint](http://pylint.pycqa.org/en/latest/) & [flake8](https://flake8.pycqa.org/en/latest/), and static type-checking is done with [mypy](https://mypy.readthedocs.io/en/stable/).
 
-For Ubuntu systems, install tox with `apt install tox`, then simply run `tox` in the top-level directory.  Look for any error messages in the (verbose) output.
+Install the required packages with `python3 -m pip install -U codecov coveralls flake8 mypy pylint pytest tox`, then run the tests with `python3 -m tox`.  Look for any error messages in the (verbose) output.
 
 
 ## Docker Tests

README.md

@@ -1,10 +1,15 @@
 # ssh-audit
 [![License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](https://github.com/jtesta/ssh-audit/blob/master/LICENSE)
-[![PyPI Downloads](https://img.shields.io/pypi/dm/ssh-audit)](https://pypi.org/project/ssh-audit/)
-[![Docker Pulls](https://img.shields.io/docker/pulls/positronsecurity/ssh-audit)](https://hub.docker.com/r/positronsecurity/ssh-audit)
 [![Build Status](https://github.com/jtesta/ssh-audit/actions/workflows/tox.yaml/badge.svg)](https://github.com/jtesta/ssh-audit/actions)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/jtesta/ssh-audit/blob/master/CONTRIBUTING.md)
 
+[![PyPI Downloads](https://img.shields.io/pypi/dm/ssh-audit?label=pypi%20downloads&color=purple)](https://pypi.org/project/ssh-audit/)
+[![Homebrew Downloads](https://img.shields.io/homebrew/installs/dy/ssh-audit?label=homebrew%20downloads&color=teal)](https://formulae.brew.sh/formula/ssh-audit)
+[![Docker Pulls](https://img.shields.io/docker/pulls/positronsecurity/ssh-audit)](https://hub.docker.com/r/positronsecurity/ssh-audit)
+[![Snap Downloads](https://img.shields.io/badge/snap%20downloads-no%20idea-yellow.svg)](https://snapcraft.io/ssh-audit)
+
+[![Github Sponsors](https://img.shields.io/github/sponsors/jtesta?color=red)](https://github.com/sponsors/jtesta)
+
 **ssh-audit** is a tool for ssh server & client configuration auditing.
 
 [jtesta/ssh-audit](https://github.com/jtesta/ssh-audit/) (v2.0+) is the updated and maintained version of ssh-audit forked from [arthepsy/ssh-audit](https://github.com/arthepsy/ssh-audit) (v1.x) due to inactivity.
@@ -25,14 +30,13 @@
 - analyze SSH client configuration;
 - grab banner, recognize device or software and operating system, detect compression;
 - gather key-exchange, host-key, encryption and message authentication code algorithms;
-- output algorithm information (available since, removed/disabled, unsafe/weak/legacy, etc);
+- output algorithm security information (available since, removed/disabled, unsafe/weak/legacy, etc);
 - output algorithm recommendations (append or remove based on recognized software version);
-- output security information (related issues, assigned CVE list, etc);
 - analyze SSH version compatibility based on algorithm information;
 - historical information from OpenSSH, Dropbear SSH and libssh;
 - policy scans to ensure adherence to a hardened/standard configuration;
 - runs on Linux and Windows;
-- supports Python 3.8 - 3.12;
+- supports Python 3.8 - 3.13;
 - no dependencies
 
 ## Usage
@@ -89,7 +93,9 @@ usage: ssh-audit.py [options] <host>
    -t,  --timeout=<secs>   timeout (in seconds) for connection and reading
                                (default: 5)
    -T,  --targets=<hosts.txt>  a file containing a list of target hosts (one
-                                   per line, format HOST[:PORT])
+                                   per line, format HOST[:PORT]).  Use -p/--port
+                                   to set the default port for all hosts.  Use
+                                   --threads to control concurrent scans.
         --threads=<threads>    number of threads to use when scanning multiple
                                    targets (-T/--targets) (default: 32)
    -v,  --verbose          verbose output
@@ -202,7 +208,7 @@ To install from Dockerhub:
 ```
 $ docker pull positronsecurity/ssh-audit
 ```
-(Then run with: `docker run -it -p 2222:2222 positronsecurity/ssh-audit 10.1.1.1`)
+(Then run with: `docker run -it --rm -p 2222:2222 positronsecurity/ssh-audit 10.1.1.1`)
 
 The status of various other platform packages can be found below (via Repology):
 
@@ -213,6 +219,24 @@ For convenience, a web front-end on top of the command-line tool is available at
 
 ## ChangeLog
 
+### v3.3.0 (2024-10-15)
+ - Added Python 3.13 support.
+ - Added built-in policies for Ubuntu 24.04 LTS server & client, OpenSSH 9.8, and OpenSSH 9.9.
+ - Added IPv6 support for DHEat and connection rate tests.
+ - Added TCP port information to JSON policy scan results; credit [Fabian Malte Kopp](https://github.com/dreizehnutters).
+ - Added LANcom LCOS server recognition and Ed448 key extraction; credit [Daniel Lenski](https://github.com/dlenskiSB).
+  - Now reports ECDSA and DSS fingerprints when in verbose mode; partial credit [Daniel Lenski](https://github.com/dlenskiSB).
+ - Removed CVE information based on server/client version numbers, as this was wildly inaccurate (see [this thread](https://github.com/jtesta/ssh-audit/issues/240) for the full discussion, as well as the results of the community vote on this matter).
+ - Fixed crash when running with `-P` and `-T` options simultaneously.
+ - Fixed host key tests from only reporting a key type at most once despite multiple hosts supporting it; credit [Daniel Lenski](https://github.com/dlenskiSB).
+ - Fixed DHEat connection rate testing on MacOS X and BSD platforms; credit [Drew Noel](https://github.com/drewmnoel) and [Michael Osipov](https://github.com/michael-o).
+ - Fixed invalid JSON output when a socket error occurs while performing a client audit.
+ - Fixed `--conn-rate-test` feature on Windows.
+ - When scanning multiple targets (using `-T`/`--targets`), the `-p`/`--port` option will now be used as the default port (set to 22 if `-p`/`--port` is not given).  Hosts specified in the file can override this default with an explicit port number (i.e.: "host1:1234").  For example, when using `-T targets.txt -p 222`, all hosts in `targets.txt` that do not explicitly include a port number will default to 222; when using `-T targets.txt` (without `-p`), all hosts will use a default of 22.
+ - Updated built-in server & client policies for Amazon Linux 2023, Debian 12, Rocky Linux 9, and Ubuntu 22.04 to improve host key efficiency and cipher resistance to quantum attacks.
+ - Added 1 new cipher: `grasshopper-ctr128`.
+ - Added 2 new key exchanges: `mlkem768x25519-sha256`, `sntrup761x25519-sha512`.
+
 ### v3.2.0 (2024-04-22)
  - Added implementation of the DHEat denial-of-service attack (see `--dheat` option; [CVE-2002-20001](https://nvd.nist.gov/vuln/detail/CVE-2002-20001)).
  - Expanded filter of CBC ciphers to flag for the Terrapin vulnerability.  It now includes more rarely found ciphers.

setup.cfg

@@ -24,6 +24,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Topic :: Security

src/ssh_audit/algorithms.py

@@ -172,8 +172,11 @@ class Algorithms:
                         if fc > 0:
                             faults += pow(10, 2 - i) * fc
                     if n not in alg_list:
-                        # Don't recommend certificate or token types; these will only appear in the server's list if they are fully configured & functional on the server.
-                        if faults > 0 or (alg_type == 'key' and (('-cert-' in n) or (n.startswith('sk-')))) or empty_version:
+                        # Don't recommend certificate or token types; these will only appear in the server's list if they are fully configured & functional on the server.  Also don't recommend 'ext-info-[cs]' nor 'kex-strict-[cs]-v00@openssh.com' key exchanges.
+                        if faults > 0 or \
+                           (alg_type == 'key' and (('-cert-' in n) or (n.startswith('sk-')))) or \
+                           (alg_type == 'kex' and (n.startswith('ext-info-') or n.startswith('kex-strict-'))) or \
+                           empty_version:
                             continue
                         rec[sshv][alg_type]['add'][n] = 0
                     else:

src/ssh_audit/builtin_policies.py

@@ -30,14 +30,20 @@ BUILTIN_POLICIES: Dict[str, Dict[str, Union[Optional[str], Optional[List[str]],
     # Amazon Linux 2023
     'Hardened Amazon Linux 2023 (version 1)': {'version': '1', 'changelog': 'Initial version', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
+    'Hardened Amazon Linux 2023 (version 2)': {'version': '2', 'changelog': 'Re-ordered host keys to prioritize ED25519 due to efficiency.  Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
+
 
     # Debian Server 12
     'Hardened Debian 12 (version 1)': {'version': '1', 'changelog': 'Initial version', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
+    'Hardened Debian 12 (version 2)': {'version': '2', 'changelog': 'Re-ordered host keys to prioritize ED25519 due to efficiency.  Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
+
 
     # Rocky Linux 9
     'Hardened Rocky Linux 9 (version 1)': {'version': '1', 'changelog': 'Initial version', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
+    'Hardened Rocky Linux 9 (version 2)': {'version': '2', 'changelog': 'Re-ordered host keys to prioritize ED25519 due to efficiency.  Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
+
 
     # Ubuntu Server policies
 
@@ -49,6 +55,9 @@ BUILTIN_POLICIES: Dict[str, Dict[str, Union[Optional[str], Optional[List[str]],
 
     'Hardened Ubuntu Server 22.04 LTS (version 5)': {'version': '5', 'changelog': 'Added kex-strict-s-v00@openssh.com to kex list.', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
+    'Hardened Ubuntu Server 22.04 LTS (version 6)': {'version': '6', 'changelog': 'Re-ordered host keys to prioritize ED25519 due to efficiency. Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
+
+    'Hardened Ubuntu Server 24.04 LTS (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'diffie-hellman-group16-sha512', 'ext-info-s', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-512-etm@openssh.com', 'hmac-sha2-256-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
     # Generic OpenSSH Server policies
 
@@ -94,21 +103,29 @@ BUILTIN_POLICIES: Dict[str, Dict[str, Union[Optional[str], Optional[List[str]],
 
     'Hardened OpenSSH Server v9.7 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-s', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
+    'Hardened OpenSSH Server v9.8 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-s', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
+
+    'Hardened OpenSSH Server v9.9 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['rsa-sha2-512', 'rsa-sha2-256', 'ssh-ed25519'], 'optional_host_keys': ['sk-ssh-ed25519@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'sk-ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com'], 'kex': ['sntrup761x25519-sha512', 'sntrup761x25519-sha512@openssh.com', 'mlkem768x25519-sha256', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-s', 'kex-strict-s-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': {"rsa-sha2-256": {"hostkey_size": 4096}, "rsa-sha2-256-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "rsa-sha2-512": {"hostkey_size": 4096}, "rsa-sha2-512-cert-v01@openssh.com": {"ca_key_size": 4096, "ca_key_type": "ssh-rsa", "hostkey_size": 4096}, "sk-ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}, "sk-ssh-ed25519@openssh.com": {"hostkey_size": 256}, "ssh-ed25519": {"hostkey_size": 256}, "ssh-ed25519-cert-v01@openssh.com": {"ca_key_size": 256, "ca_key_type": "ssh-ed25519", "hostkey_size": 256}}, 'dh_modulus_sizes': {'diffie-hellman-group-exchange-sha256': 3072}, 'server_policy': True},
 
     # Amazon Linux Policies
 
     'Hardened Amazon Linux Client 2023 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
+    'Hardened Amazon Linux Client 2023 (version 2)': {'version': '2', 'changelog': 'Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
+
 
     # Debian Client Policies
 
     'Hardened Debian Client 12 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
+    'Hardened Debian Client 12 (version 2)': {'version': '2', 'changelog': 'Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
+
 
     # Rocky Linux Policies
 
     'Hardened Rocky Linux Client 9 (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
+    'Hardened Rocky Linux Client 9 (version 2)': {'version': '2', 'changelog': 'Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
     # Ubuntu Client policies
 
@@ -120,5 +137,8 @@ BUILTIN_POLICIES: Dict[str, Dict[str, Union[Optional[str], Optional[List[str]],
 
     'Hardened Ubuntu Client 22.04 LTS (version 4)': {'version': '4', 'changelog': 'Added kex-strict-c-v00@openssh.com to kex list.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes128-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
+    'Hardened Ubuntu Client 22.04 LTS (version 5)': {'version': '5', 'changelog': 'Re-ordered cipher list to prioritize larger key sizes as a countermeasure to quantum attacks.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group16-sha512', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-256-etm@openssh.com', 'hmac-sha2-512-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
+
+    'Hardened Ubuntu Client 24.04 LTS (version 1)': {'version': '1', 'changelog': 'Initial version.', 'banner': None, 'compressions': None, 'host_keys': ['sk-ssh-ed25519-cert-v01@openssh.com', 'ssh-ed25519-cert-v01@openssh.com', 'rsa-sha2-512-cert-v01@openssh.com', 'rsa-sha2-256-cert-v01@openssh.com', 'sk-ssh-ed25519@openssh.com', 'ssh-ed25519', 'rsa-sha2-512', 'rsa-sha2-256'], 'optional_host_keys': None, 'kex': ['sntrup761x25519-sha512@openssh.com', 'curve25519-sha256', 'curve25519-sha256@libssh.org', 'diffie-hellman-group18-sha512', 'diffie-hellman-group-exchange-sha256', 'diffie-hellman-group16-sha512', 'ext-info-c', 'kex-strict-c-v00@openssh.com'], 'ciphers': ['chacha20-poly1305@openssh.com', 'aes256-gcm@openssh.com', 'aes256-ctr', 'aes192-ctr', 'aes128-gcm@openssh.com', 'aes128-ctr'], 'macs': ['hmac-sha2-512-etm@openssh.com', 'hmac-sha2-256-etm@openssh.com', 'umac-128-etm@openssh.com'], 'hostkey_sizes': None, 'dh_modulus_sizes': None, 'server_policy': False},
 
 }

src/ssh_audit/dheat.py

@@ -21,6 +21,7 @@
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
 """
+import errno
 import multiprocessing
 import os
 import queue
@@ -160,6 +161,11 @@ class DHEat:
         # The SSH2_Kex object that we recieved from the server in a prior connection.  We'll use it as a template to craft our own kex.
         self.kex = kex
 
+        # Resolve the target to an IP address depending on the user preferences (IPv4 or IPv6).
+        self.debug("Resolving target %s..." % self.target)
+        self.target_address_family, self.target_ip_address = DHEat._resolve_hostname(self.target, aconf.ip_version_preference)
+        self.debug("Resolved %s to %s (address family %u)" % (self.target, self.target_ip_address, self.target_address_family))
+
         # The connection and read timeouts.
         self.connect_timeout = aconf.timeout
         self.read_timeout = aconf.timeout
@@ -318,11 +324,10 @@ class DHEat:
 
             del socket_dict[s]
 
-        if sys.platform == "win32":
-            DHEat.YELLOWB = "\033[1;93m"
-            DHEat.CLEAR = "\033[0m"
-            print("\n%sUnfortunately, this feature is not currently functional under Windows.%s  This should get fixed in a future release.  See: <https://github.com/jtesta/ssh-audit/issues/261>" % (DHEat.YELLOWB, DHEat.CLEAR))
-            return ""
+        # Resolve the target into an IP address
+        out.d("Resolving target %s..." % aconf.host)
+        target_address_family, target_ip_address = DHEat._resolve_hostname(aconf.host, aconf.ip_version_preference)
+        out.d("Resolved %s to %s (address family %u)" % (aconf.host, target_ip_address, target_address_family))
 
         spinner = ["-", "\\", "|", "/"]
         spinner_index = 0
@@ -349,7 +354,7 @@ class DHEat:
                 rate_str = " at a max rate of %s%u%s connections per second" % (DHEat.WHITEB, aconf.conn_rate_test_target_rate, DHEat.CLEAR)
 
             print()
-            print("Performing non-disruptive rate test against %s[%s]:%u%s with %s%u%s concurrent sockets%s.  No Diffie-Hellman requests will be sent." % (DHEat.WHITEB, aconf.host, aconf.port, DHEat.CLEAR, DHEat.WHITEB, concurrent_sockets, DHEat.CLEAR, rate_str))
+            print("Performing non-disruptive rate test against %s[%s]:%u%s with %s%u%s concurrent sockets%s.  No Diffie-Hellman requests will be sent." % (DHEat.WHITEB, target_ip_address, aconf.port, DHEat.CLEAR, DHEat.WHITEB, concurrent_sockets, DHEat.CLEAR, rate_str))
             print()
 
             # Make room for the multi-line output.
@@ -426,16 +431,16 @@ class DHEat:
 
             # Open new sockets until we've hit the number of concurrent sockets, or if we exceeded the number of maximum connections.
             while (len(socket_dict) < concurrent_sockets) and (len(socket_dict) + num_opened_connections < max_connections):
-                s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+                s = socket.socket(target_address_family, socket.SOCK_STREAM)
                 s.setblocking(False)
 
                 # out.d("Creating socket (%u of %u already exist)..." % (len(socket_dict), concurrent_sockets), write_now=True)
-                ret = s.connect_ex((aconf.host, aconf.port))
+                ret = s.connect_ex((target_ip_address, aconf.port))
                 num_attempted_connections += 1
-                if ret in [0, 115]:  # Check if connection is successful or EINPROGRESS.
+                if ret in [0, errno.EINPROGRESS, errno.EWOULDBLOCK]:
                     socket_dict[s] = now
                 else:
-                    out.d("connect_ex() returned: %d" % ret, write_now=True)
+                    out.d("connect_ex() returned: %s (%d)" % (os.strerror(ret), ret), write_now=True)
 
             # out.d("Calling select() on %u sockets..." % len(socket_dict), write_now=True)
             socket_list: List[socket.socket] = [*socket_dict]  # Get a list of sockets from the dictionary.
@@ -743,6 +748,22 @@ class DHEat:
         print()
 
 
+    @staticmethod
+    def _resolve_hostname(host: str, ip_version_preference: List[int]) -> Tuple[int, str]:
+        '''Resolves a hostname to its IPv4 or IPv6 address, depending on user preference.'''
+
+        family = socket.AF_UNSPEC
+        if len(ip_version_preference) == 1:
+            family = socket.AF_INET if ip_version_preference[0] == 4 else socket.AF_INET6
+
+        r = socket.getaddrinfo(host, 0, family, socket.SOCK_STREAM)
+        for address_family, socktype, _, _, addr in r:
+            if socktype == socket.SOCK_STREAM:
+                return address_family, addr[0]
+
+        return -1, ''
+
+
     def _run(self) -> bool:
         '''Where all the magic happens.'''
 
@@ -751,7 +772,7 @@ class DHEat:
         if sys.platform == "win32":
             self.output("%sWARNING:%s this feature has not been thoroughly tested on Windows.  It may perform worse than on UNIX OSes." % (self.YELLOWB, self.CLEAR))
 
-        self.output("Running DHEat test against %s[%s]:%u%s with %s%u%s concurrent sockets..." % (self.WHITEB, self.target, self.port, self.CLEAR, self.WHITEB, self.concurrent_connections, self.CLEAR))
+        self.output("Running DHEat test against %s[%s]:%u%s with %s%u%s concurrent sockets..." % (self.WHITEB, self.target_ip_address, self.port, self.CLEAR, self.WHITEB, self.concurrent_connections, self.CLEAR))
 
         # If the user didn't specify an exact kex algorithm to test, check our prioritized list against what the server supports.  Larger p-values (such as group18: 8192-bits) cause the most strain on the server.
         chosen_alg = ""
@@ -894,7 +915,8 @@ class DHEat:
 
         # Copy variables from the object (which might exist in another process?).  This might cut down on inter-process overhead.
         connect_timeout = self.connect_timeout
-        target = self.target
+        target_ip_address = self.target_ip_address
+        target_address_family = self.target_address_family
         port = self.port
 
         # Determine if we are attacking with a GEX.
@@ -945,17 +967,17 @@ class DHEat:
                 num_socket_exceptions = 0
                 num_openssh_throttled_connections = 0
 
-            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            s = socket.socket(target_address_family, socket.SOCK_STREAM)
             s.settimeout(connect_timeout)
 
             # Loop until a successful TCP connection is made.
             connected = False
             while not connected:
 
-                # self.debug("Connecting to %s:%d" % (self.target, self.port))
+                # self.debug("Connecting to %s:%d" % (self.target_ip_address, self.port))
                 try:
                     num_attempted_tcp_connections += 1
-                    s.connect((target, port))
+                    s.connect((target_ip_address, port))
                     connected = True
                 except OSError as e:
                     self.debug("Failed to connect: %s" % str(e))

src/ssh_audit/globals.py

@@ -22,7 +22,7 @@
    THE SOFTWARE.
 """
 # The version to display.
-VERSION = 'v3.2.0'
+VERSION = 'v3.3.0'
 
 # SSH software to impersonate
 SSH_HEADER = 'SSH-{0}-OpenSSH_8.2'

src/ssh_audit/hostkeytest.py

@@ -1,7 +1,7 @@
 """
    The MIT License (MIT)
 
-   Copyright (C) 2017-2023 Joe Testa (jtesta@positronsecurity.com)
+   Copyright (C) 2017-2024 Joe Testa (jtesta@positronsecurity.com)
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
@@ -40,7 +40,7 @@ class HostKeyTest:
     # Tracks the RSA host key types.  As of this writing, testing one in this family yields valid results for the rest.
     RSA_FAMILY = ['ssh-rsa', 'rsa-sha2-256', 'rsa-sha2-512']
 
-    # Dict holding the host key types we should extract & parse.  'cert' is True to denote that a host key type handles certificates (thus requires additional parsing).  'variable_key_len' is True for host key types that can have variable sizes (True only for RSA types, as the rest are of fixed-size).  After the host key type is fully parsed, the key 'parsed' is added with a value of True.
+    # Dict holding the host key types we should extract & parse.  'cert' is True to denote that a host key type handles certificates (thus requires additional parsing).  'variable_key_len' is True for host key types that can have variable sizes (True only for RSA types, as the rest are of fixed-size).
     HOST_KEY_TYPES = {
         'ssh-rsa':      {'cert': False, 'variable_key_len': True},
         'rsa-sha2-256': {'cert': False, 'variable_key_len': True},
@@ -52,6 +52,20 @@ class HostKeyTest:
 
         'ssh-ed25519':                      {'cert': False, 'variable_key_len': False},
         'ssh-ed25519-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
+
+        'ssh-ed448':                      {'cert': False, 'variable_key_len': False},
+        # 'ssh-ed448-cert-v01@openssh.com': {'cert': True,  'variable_key_len': False},
+
+        'ecdsa-sha2-nistp256': {'cert': False, 'variable_key_len': False},
+        'ecdsa-sha2-nistp384': {'cert': False, 'variable_key_len': False},
+        'ecdsa-sha2-nistp521': {'cert': False, 'variable_key_len': False},
+
+        'ecdsa-sha2-nistp256-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
+        'ecdsa-sha2-nistp384-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
+        'ecdsa-sha2-nistp521-cert-v01@openssh.com': {'cert': True, 'variable_key_len': False},
+
+        'ssh-dss':                      {'cert': False, 'variable_key_len': True},
+        'ssh-dss-cert-v01@openssh.com': {'cert': True,  'variable_key_len': True},
     }
 
     TWO2K_MODULUS_WARNING = '2048-bit modulus only provides 112-bits of symmetric strength'
@@ -93,6 +107,7 @@ class HostKeyTest:
     def perform_test(out: 'OutputBuffer', s: 'SSH_Socket', server_kex: 'SSH2_Kex', kex_str: str, kex_group: 'KexDH', host_key_types: Dict[str, Dict[str, bool]]) -> None:
         hostkey_modulus_size = 0
         ca_modulus_size = 0
+        parsed_host_key_types = set()
 
         # If the connection still exists, close it so we can test
         # using a clean slate (otherwise it may exist in a non-testable
@@ -106,7 +121,7 @@ class HostKeyTest:
             key_warn_comments = []
 
             # Skip those already handled (i.e.: those in the RSA family, as testing one tests them all).
-            if 'parsed' in host_key_types[host_key_type] and host_key_types[host_key_type]['parsed']:
+            if host_key_type in parsed_host_key_types:
                 continue
 
             # If this host key type is supported by the server, we test it.
@@ -136,7 +151,12 @@ class HostKeyTest:
                         _, payload = s.read_packet()
                         SSH2_Kex.parse(out, payload)
                     except Exception:
-                        out.v("Failed to parse server's kex.  Stack trace:\n%s" % str(traceback.format_exc()), write_now=True)
+                        msg = "Failed to parse server's kex."
+                        if not out.debug:
+                            msg += "  Re-run in debug mode to see stack trace."
+
+                        out.v(msg, write_now=True)
+                        out.d("Stack trace:\n%s" % str(traceback.format_exc()), write_now=True)
                         return
 
                 # Do the initial DH exchange.  The server responds back
@@ -147,7 +167,12 @@ class HostKeyTest:
                     kex_reply = kex_group.recv_reply(s)
                     raw_hostkey_bytes = kex_reply if kex_reply is not None else b''
                 except KexDHException:
-                    out.v("Failed to parse server's host key.  Stack trace:\n%s" % str(traceback.format_exc()), write_now=True)
+                    msg = "Failed to parse server's host key."
+                    if not out.debug:
+                        msg += "  Re-run in debug mode to see stack trace."
+
+                    out.v(msg, write_now=True)
+                    out.d("Stack trace:\n%s" % str(traceback.format_exc()), write_now=True)
 
                     # Since parsing this host key failed, there's nothing more to do but close the socket and move on to the next host key type.
                     s.close()
@@ -157,6 +182,7 @@ class HostKeyTest:
                 ca_key_type = kex_group.get_ca_type()
                 ca_modulus_size = kex_group.get_ca_size()
                 out.d("Hostkey type: [%s]; hostkey size: %u; CA type: [%s]; CA modulus size: %u" % (host_key_type, hostkey_modulus_size, ca_key_type, ca_modulus_size), write_now=True)
+                out.d("Raw hostkey bytes (%d): [%s]" % (len(raw_hostkey_bytes), raw_hostkey_bytes.hex()), write_now=True)
 
                 # Record all the host key info.
                 server_kex.set_host_key(host_key_type, raw_hostkey_bytes, hostkey_modulus_size, ca_key_type, ca_modulus_size)
@@ -186,7 +212,7 @@ class HostKeyTest:
                         cakey_warn_str = HostKeyTest.SMALL_ECC_MODULUS_WARNING
 
                     # Keys smaller than 2048 result in a failure.  Keys smaller 3072 result in a warning.  Update the database accordingly.
-                    if (cert is False) and (hostkey_modulus_size < hostkey_min_good):
+                    if (cert is False) and (hostkey_modulus_size < hostkey_min_good) and (host_key_type != 'ssh-dss'):  # Skip ssh-dss, otherwise we get duplicate failure messages (SSH2_KexDB will always flag it).
 
                         # If the key is under 2048, add to the failure list.
                         if hostkey_modulus_size < hostkey_min_warn:
@@ -216,7 +242,7 @@ class HostKeyTest:
                 # If this host key type is in the RSA family, then mark them all as parsed (since results in one are valid for them all).
                 if host_key_type in HostKeyTest.RSA_FAMILY:
                     for rsa_type in HostKeyTest.RSA_FAMILY:
-                        host_key_types[rsa_type]['parsed'] = True
+                        parsed_host_key_types.add(rsa_type)
 
                         # If the current key is a member of the RSA family, then populate all RSA family members with the same
                         # failure and/or warning comments.
@@ -228,7 +254,7 @@ class HostKeyTest:
                         db['key'][rsa_type][2].extend(key_warn_comments)
 
                 else:
-                    host_key_types[host_key_type]['parsed'] = True
+                    parsed_host_key_types.add(host_key_type)
                     db = SSH2_KexDB.get_db()
                     while len(db['key'][host_key_type]) < 3:
                         db['key'][host_key_type].append([])

src/ssh_audit/kexdh.py

@@ -134,6 +134,9 @@ class KexDH:  # pragma: nocover
         if self.__hostkey_type == 'ssh-ed25519':
             self.out.d("%s has a fixed host key modulus of 32." % self.__hostkey_type)
             self.__hostkey_n_len = 32
+        elif self.__hostkey_type == 'ssh-ed448':
+            self.out.d("%s has a fixed host key modulus of 57." % self.__hostkey_type)
+            self.__hostkey_n_len = 57
         else:
             # Here is the modulus size & actual modulus of the host key public key.
             hostkey_n, self.__hostkey_n_len, ptr = KexDH.__get_bytes(hostkey, ptr)

src/ssh_audit/policy.py

@@ -57,6 +57,7 @@ class Policy:
         self._allow_algorithm_subset_and_reordering = False
         self._allow_larger_keys = False
         self._errors: List[Any] = []
+        self._updated_builtin_policy_available = False  # If True, an outdated built-in policy was loaded.
 
         self._name_and_version: str = ''
 
@@ -496,6 +497,11 @@ macs = %s
         return self._name_and_version
 
 
+    def is_outdated_builtin_policy(self) -> bool:
+        '''Returns True if this is a built-in policy that has a more recent version available than currently selected.'''
+        return self._updated_builtin_policy_available
+
+
     def is_server_policy(self) -> bool:
         '''Returns True if this is a server policy, or False if this is a client policy.'''
         return self._server_policy
@@ -507,18 +513,46 @@ macs = %s
         server_policy_descriptions = []
         client_policy_descriptions = []
 
+        latest_server_policies: Dict[str, Dict[str, Union[int, str]]] = {}
+        latest_client_policies: Dict[str, Dict[str, Union[int, str]]] = {}
         for policy_name, policy in BUILTIN_POLICIES.items():
-            policy_description = ""
-            if verbose:
-                policy_description = "\"{:s}\": {:s}".format(policy_name, policy['changelog'])
-            else:
+
+            # If not in verbose mode, only store the latest version of each policy.
+            if not verbose:
                 policy_description = "\"{:s}\"".format(policy_name)
 
+                # Truncate the version off the policy name and obtain the version as an integer. (i.e.: "Platform X (version 3)" -> "Platform X", 3
+                policy_name_no_version = ""
+                version = 0
+                version_pos = policy_name.find(" (version ")
+                if version_pos != -1:
+                    policy_name_no_version = policy_name[0:version_pos]
+                    version = int(cast(str, policy['version']))  # Unit tests guarantee this to be parseable as an int.
+
+                d = latest_server_policies if policy['server_policy'] else latest_client_policies
+                if policy_name_no_version not in d:
+                    d[policy_name_no_version] = {}
+                    d[policy_name_no_version]['latest_version'] = version
+                    d[policy_name_no_version]['description'] = policy_description
+                elif version > cast(int, d[policy_name_no_version]['latest_version']):  # If an updated version of the policy was found, replace the old one.
+                    d[policy_name_no_version]['latest_version'] = version
+                    d[policy_name_no_version]['description'] = policy_description
+            else:  # In verbose mode, return all policy versions.
+                policy_description = "\"{:s}\": {:s}".format(policy_name, policy['changelog'])
                 if policy['server_policy']:
                     server_policy_descriptions.append(policy_description)
                 else:
                     client_policy_descriptions.append(policy_description)
 
+        # Now that we have references to the latest policies only, add their full descriptions to the lists for returning.
+        if not verbose:
+            for _, dd in latest_server_policies.items():
+                server_policy_descriptions.append(cast(str, dd['description']))
+
+            for _, dd in latest_client_policies.items():
+                client_policy_descriptions.append(cast(str, dd['description']))
+
+        # Sort the lists for better readability.
         server_policy_descriptions.sort()
         client_policy_descriptions.sort()
         return server_policy_descriptions, client_policy_descriptions
@@ -549,6 +583,14 @@ macs = %s
             # Ensure this struct has all the necessary fields.
             p._normalize_hostkey_sizes()  # pylint: disable=protected-access
 
+        # Now check if an updated version of the requested policy exists.  If so, set a warning for the user.
+        if p is not None and p._version is not None:  # pylint: disable=protected-access
+            next_version = str(int(p._version) + 1)  # pylint: disable=protected-access
+            name_version_pos = policy_name.find("(version ")
+            next_version_name = policy_name[0:name_version_pos] + "(version %s)" % next_version
+            if next_version_name in BUILTIN_POLICIES:
+                p._updated_builtin_policy_available = True  # pylint: disable=protected-access
+
         return p
 
 
@@ -605,3 +647,29 @@ macs = %s
             dh_modulus_sizes_str = str(self._dh_modulus_sizes)
 
         return "Name: %s\nVersion: %s\nAllow Algorithm Subset and/or Reordering: %r\nBanner: %s\nCompressions: %s\nHost Keys: %s\nOptional Host Keys: %s\nKey Exchanges: %s\nCiphers: %s\nMACs: %s\nHost Key Sizes: %s\nDH Modulus Sizes: %s\nServer Policy: %r" % (name, version, self._allow_algorithm_subset_and_reordering, banner, compressions_str, host_keys_str, optional_host_keys_str, kex_str, ciphers_str, macs_str, hostkey_sizes_str, dh_modulus_sizes_str, self._server_policy)
+
+
+    def __getstate__(self) -> Dict[str, Any]:
+        '''Called when pickling this object.  The file descriptor isn't serializable, so we'll remove it from the state and include a string representation.'''
+
+        state = self.__dict__.copy()
+
+        if state['_warning_target'] == sys.stdout:
+            state['_warning_target_type'] = 'stdout'
+        else:
+            state['_warning_target_type'] = 'stderr'
+
+        del state['_warning_target']
+        return state
+
+
+    def __setstate__(self, state: Dict[str, Any]) -> None:
+        '''Called when unpickling this object.  Based on the string representation of the file descriptor, we'll restore the right handle.'''
+
+        if state['_warning_target_type'] == 'stdout':
+            state['_warning_target'] = sys.stdout
+        else:
+            state['_warning_target'] = sys.stderr
+
+        del state['_warning_target_type']
+        self.__dict__.update(state)

src/ssh_audit/software.py

@@ -224,4 +224,8 @@ class Software:
         mx = re.match(r'^PuTTY_Release_(.*)', software)
         if mx:
             return cls(None, Product.PuTTY, mx.group(1), None, None)
+        mx = re.match(r'^lancom(.*)', software)
+        if mx:
+            v, p = 'LANcom', 'LCOS sshd'
+            return cls(v, p, mx.group(1), None, None)
         return None

src/ssh_audit/ssh2_kex.py

@@ -1,7 +1,7 @@
 """
    The MIT License (MIT)
 
-   Copyright (C) 2017-2020 Joe Testa (jtesta@positronsecurity.com)
+   Copyright (C) 2017-2024 Joe Testa (jtesta@positronsecurity.com)
    Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -132,3 +132,16 @@ class SSH2_Kex:
         srv = SSH2_KexParty(srv_enc, srv_mac, srv_compression, srv_languages)
         kex = cls(outputbuffer, cookie, kex_algs, key_algs, cli, srv, follows, unused)
         return kex
+
+    def __str__(self) -> str:
+        ret = "----\nSSH2_Kex object:"
+        ret += "\nHost keys: "
+        ret += ", ".join(self.__key_algs)
+        ret += "\nKey exchanges: "
+        ret += ", ".join(self.__kex_algs)
+        ret += "\nClient SSH2_KexParty:"
+        ret += "\n" + str(self.__client)
+        ret += "\nServer SSH2_KexParty:"
+        ret += "\n" + str(self.__server)
+        ret += "\n----"
+        return ret

src/ssh_audit/ssh2_kexdb.py

@@ -64,11 +64,13 @@ class SSH2_KexDB:  # pylint: disable=too-few-public-methods
     INFO_DEFAULT_OPENSSH_CIPHER = 'default cipher since OpenSSH 6.9'
     INFO_DEFAULT_OPENSSH_KEX_65_TO_73 = 'default key exchange from OpenSSH 6.5 to 7.3'
     INFO_DEFAULT_OPENSSH_KEX_74_TO_89 = 'default key exchange from OpenSSH 7.4 to 8.9'
-    INFO_DEFAULT_OPENSSH_KEX_90 = 'default key exchange since OpenSSH 9.0'
+    INFO_DEFAULT_OPENSSH_KEX_90_TO_98 = 'default key exchange from OpenSSH 9.0 to 9.8'
+    INFO_DEFAULT_OPENSSH_KEX_99 = 'default key exchange since OpenSSH 9.9'
     INFO_DEPRECATED_IN_OPENSSH88 = 'deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8'
     INFO_DISABLED_IN_DBEAR67 = 'disabled in Dropbear SSH 2015.67'
     INFO_DISABLED_IN_OPENSSH70 = 'disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0'
     INFO_NEVER_IMPLEMENTED_IN_OPENSSH = 'despite the @openssh.com tag, this was never implemented in OpenSSH'
+    INFO_HYBRID_PQ_X25519_KEX = 'hybrid key exchange based on post-quantum resistant algorithm and proven conventional X25519 algorithm'
     INFO_REMOVED_IN_OPENSSH61 = 'removed since OpenSSH 6.1, removed from specification'
     INFO_REMOVED_IN_OPENSSH69 = 'removed in OpenSSH 6.9: https://www.openssh.com/txt/release-6.9'
     INFO_REMOVED_IN_OPENSSH70 = 'removed in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0'
@@ -158,8 +160,8 @@ class SSH2_KexDB:  # pylint: disable=too-few-public-methods
             'ecdh-sha2-wiRIU8TKjMZ418sMqlqtvQ==': [[], [FAIL_UNPROVEN]],  # sect283k1
             'ecdh-sha2-zD/b3hu/71952ArpUG4OjQ==': [[], [FAIL_UNPROVEN, FAIL_SMALL_ECC_MODULUS]],  # sect233k1
             'ecmqv-sha2': [[], [FAIL_UNPROVEN]],
-            'ext-info-c': [[], [], [], [INFO_EXTENSION_NEGOTIATION]],  # Extension negotiation (RFC 8308)
-            'ext-info-s': [[], [], [], [INFO_EXTENSION_NEGOTIATION]],  # Extension negotiation (RFC 8308)
+            'ext-info-c': [['7.2'], [], [], [INFO_EXTENSION_NEGOTIATION]],  # Extension negotiation (RFC 8308)
+            'ext-info-s': [['9.6'], [], [], [INFO_EXTENSION_NEGOTIATION]],  # Extension negotiation (RFC 8308)
             'kex-strict-c-v00@openssh.com': [[], [], [], [INFO_STRICT_KEX]],  # Strict KEX marker (countermeasure for CVE-2023-48795).
             'kex-strict-s-v00@openssh.com': [[], [], [], [INFO_STRICT_KEX]],  # Strict KEX marker (countermeasure for CVE-2023-48795).
 
@@ -189,11 +191,13 @@ class SSH2_KexDB:  # pylint: disable=too-few-public-methods
             'kexguess2@matt.ucc.asn.au': [['d2013.57']],
             'm383-sha384@libassh.org': [[], [FAIL_UNPROVEN]],
             'm511-sha512@libassh.org': [[], [FAIL_UNPROVEN]],
+            'mlkem768x25519-sha256': [['9.9'], [], [], [INFO_HYBRID_PQ_X25519_KEX]],
             'rsa1024-sha1': [[], [FAIL_1024BIT_MODULUS, FAIL_SHA1]],
             'rsa2048-sha256': [[], [], [WARN_2048BIT_MODULUS]],
             'sm2kep-sha2-nistp256': [[], [FAIL_NSA_BACKDOORED_CURVE, FAIL_UNTRUSTED]],
             'sntrup4591761x25519-sha512@tinyssh.org': [['8.0', '8.4'], [], [WARN_EXPERIMENTAL], [INFO_WITHDRAWN_PQ_ALG]],
-            'sntrup761x25519-sha512@openssh.com': [['8.5'], [], [], [INFO_DEFAULT_OPENSSH_KEX_90]],
+            'sntrup761x25519-sha512': [['9.9'], [], [], [INFO_DEFAULT_OPENSSH_KEX_99, INFO_HYBRID_PQ_X25519_KEX]],
+            'sntrup761x25519-sha512@openssh.com': [['8.5'], [], [], [INFO_DEFAULT_OPENSSH_KEX_90_TO_98, INFO_HYBRID_PQ_X25519_KEX]],
             'x25519-kyber-512r3-sha256-d00@amazon.com': [[]],
             'x25519-kyber512-sha512@aws.amazon.com': [[]],
         },
@@ -346,6 +350,7 @@ class SSH2_KexDB:  # pylint: disable=too-few-public-methods
             'des-cbc-ssh1': [[], [FAIL_DES], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
             'des-cbc@ssh.com': [[], [FAIL_DES], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
             'des': [[], [FAIL_DES], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
+            'grasshopper-ctr128': [[], [FAIL_UNTRUSTED]],
             'idea-cbc': [[], [FAIL_IDEA], [WARN_CIPHER_MODE]],
             'idea-cfb': [[], [FAIL_IDEA], [WARN_CIPHER_MODE]],
             'idea-ctr': [[], [FAIL_IDEA]],

src/ssh_audit/ssh2_kexparty.py

@@ -1,6 +1,7 @@
 """
    The MIT License (MIT)
 
+   Copyright (C) 2024 Joe Testa (jtesta@positronsecurity.com)
    Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -48,3 +49,10 @@ class SSH2_KexParty:
     @property
     def languages(self) -> List[str]:
         return self.__languages
+
+    def __str__(self) -> str:
+        ret = "Ciphers: " + ", ".join(self.__enc)
+        ret += "\nMACs: " + ", ".join(self.__mac)
+        ret += "\nCompressions: " + ", ".join(self.__compression)
+        ret += "\nLanguages: " + ", ".join(self.__languages)
+        return ret

src/ssh_audit/ssh_audit.py

@@ -2,7 +2,7 @@
 """
    The MIT License (MIT)
 
-   Copyright (C) 2017-2023 Joe Testa (jtesta@positronsecurity.com)
+   Copyright (C) 2017-2024 Joe Testa (jtesta@positronsecurity.com)
    Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
 
    Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -25,7 +25,7 @@
 """
 import concurrent.futures
 import copy
-import getopt
+import getopt  # pylint: disable=deprecated-module
 import json
 import multiprocessing
 import os
@@ -61,7 +61,6 @@ from ssh_audit.ssh2_kex import SSH2_Kex
 from ssh_audit.ssh2_kexdb import SSH2_KexDB
 from ssh_audit.ssh_socket import SSH_Socket
 from ssh_audit.utils import Utils
-from ssh_audit.versionvulnerabilitydb import VersionVulnerabilityDB
 
 
 # no_idna_workaround = False
@@ -69,7 +68,7 @@ from ssh_audit.versionvulnerabilitydb import VersionVulnerabilityDB
 # Only import colorama under Windows.  Other OSes can natively handle terminal colors.
 if sys.platform == 'win32':
     try:
-        from colorama import just_fix_windows_console
+        from colorama import just_fix_windows_console  # type: ignore
         just_fix_windows_console()
     except ImportError:
         pass
@@ -130,7 +129,7 @@ def usage(uout: OutputBuffer, err: Optional[str] = None) -> None:
     uout.info('   -P,  --policy=<policy.txt>  run a policy test using the specified policy')
     uout.info('        --skip-rate-test   skip the connection rate test during standard audits\n                               (used to safely infer whether the DHEat attack\n                               is viable)')
     uout.info('   -t,  --timeout=<secs>   timeout (in seconds) for connection and reading\n                               (default: 5)')
-    uout.info('   -T,  --targets=<hosts.txt>  a file containing a list of target hosts (one\n                                   per line, format HOST[:PORT]).  Use --threads\n                                   to control concurrent scans.')
+    uout.info('   -T,  --targets=<hosts.txt>  a file containing a list of target hosts (one\n                                   per line, format HOST[:PORT]).  Use -p/--port\n                                   to set the default port for all hosts.  Use\n                                   --threads to control concurrent scans.')
     uout.info('        --threads=<threads>    number of threads to use when scanning multiple\n                                   targets (-T/--targets) (default: 32)')
     uout.info('   -v,  --verbose          verbose output')
     uout.sep()
@@ -273,65 +272,18 @@ def output_compatibility(out: OutputBuffer, algs: Algorithms, client_audit: bool
         out.good('(gen) compatibility: ' + ', '.join(comp_text))
 
 
-def output_security_sub(out: OutputBuffer, sub: str, software: Optional[Software], client_audit: bool, padlen: int) -> List[Dict[str, Union[str, float]]]:
-    ret: List[Dict[str, Union[str, float]]] = []
-
-    secdb = VersionVulnerabilityDB.CVE if sub == 'cve' else VersionVulnerabilityDB.TXT
-    if software is None or software.product not in secdb:
-        return ret
-    for line in secdb[software.product]:
-        vfrom: str = ''
-        vtill: str = ''
-        vfrom, vtill = line[0:2]
-        if not software.between_versions(vfrom, vtill):
-            continue
-        target: int = 0
-        name: str = ''
-        target, name = line[2:4]
-        is_server = target & 1 == 1
-        is_client = target & 2 == 2
-        # is_local = target & 4 == 4
-
-        # If this security entry applies only to servers, but we're testing a client, then skip it.  Similarly, skip entries that apply only to clients, but we're testing a server.
-        if (is_server and not is_client and client_audit) or (is_client and not is_server and not client_audit):
-            continue
-        p = '' if out.batch else ' ' * (padlen - len(name))
-        if sub == 'cve':
-            cvss: float = 0.0
-            descr: str = ''
-            cvss, descr = line[4:6]
-
-            # Critical CVSS scores (>= 8.0) are printed as a fail, otherwise they are printed as a warning.
-            out_func = out.warn
-            if cvss >= 8.0:
-                out_func = out.fail
-            out_func('(cve) {}{} -- (CVSSv2: {}) {}'.format(name, p, cvss, descr))
-            ret.append({'name': name, 'cvssv2': cvss, 'description': descr})
-        else:
-            descr = line[4]
-            out.fail('(sec) {}{} -- {}'.format(name, p, descr))
-
-    return ret
-
-
-def output_security(out: OutputBuffer, banner: Optional[Banner], client_audit: bool, padlen: int, is_json_output: bool) -> List[Dict[str, Union[str, float]]]:
-    cves = []
+def output_security(out: OutputBuffer, banner: Optional[Banner], padlen: int, is_json_output: bool) -> None:
 
     with out:
-        if banner is not None:
-            software = Software.parse(banner)
-            cves = output_security_sub(out, 'cve', software, client_audit, padlen)
-            _ = output_security_sub(out, 'txt', software, client_audit, padlen)
-            if banner.protocol[0] == 1:
+        if (banner is not None) and (banner.protocol[0] == 1):
             p = '' if out.batch else ' ' * (padlen - 14)
             out.fail('(sec) SSH v1 enabled{} -- SSH v1 can be exploited to recover plaintext passwords'.format(p))
+
     if not out.is_section_empty() and not is_json_output:
         out.head('# security')
         out.flush_section()
         out.sep()
 
-    return cves
-
 
 def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: bool) -> None:
     with out:
@@ -360,11 +312,19 @@ def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: boo
         fp_types = sorted(fps.keys())
         for fp_type in fp_types:
             fp = fps[fp_type]
+
+            # Don't output any ECDSA or DSS fingerprints unless verbose mode is enabled.
+            if fp_type.startswith("ecdsa-") or (fp_type == "ssh-dss"):
+                if out.verbose:
+                    out.warn('(fin) {}: {} -- [info] this fingerprint type is insecure and should not be relied upon'.format(fp_type, fp.sha256))
+                else:
+                    continue  # If verbose mode is not enabled, skip this type entirely.
+            else:
                 out.good('(fin) {}: {}'.format(fp_type, fp.sha256))
 
             # Output the MD5 hash too if verbose mode is enabled.
             if out.verbose:
-                out.info('(fin) {}: {} -- [info] do not rely on MD5 fingerprints for server identification; it is insecure for this use case'.format(fp_type, fp.md5))
+                out.warn('(fin) {}: {} -- [info] do not rely on MD5 fingerprints for server identification; it is insecure for this use case'.format(fp_type, fp.md5))
 
     if not out.is_section_empty() and not is_json_output:
         out.head('# fingerprints')
@@ -376,31 +336,6 @@ def output_fingerprints(out: OutputBuffer, algs: Algorithms, is_json_output: boo
 def output_recommendations(out: OutputBuffer, algs: Algorithms, algorithm_recommendation_suppress_list: List[str], software: Optional[Software], is_json_output: bool, padlen: int = 0) -> bool:
 
     ret = True
-    # PuTTY's algorithms cannot be modified, so there's no point in issuing recommendations.
-    if (software is not None) and (software.product == Product.PuTTY):
-        max_vuln_version = 0.0
-        max_cvssv2_severity = 0.0
-        # Search the CVE database for the most recent vulnerable version and the max CVSSv2 score.
-        for cve_list in VersionVulnerabilityDB.CVE['PuTTY']:
-            vuln_version = float(cve_list[1])
-            cvssv2_severity = cve_list[4]
-            max_vuln_version = max(vuln_version, max_vuln_version)
-            max_cvssv2_severity = max(cvssv2_severity, max_cvssv2_severity)
-
-        fn = out.warn
-        if max_cvssv2_severity > 8.0:
-            fn = out.fail
-
-        # Assuming that PuTTY versions will always increment by 0.01, we can calculate the first safe version by adding 0.01 to the latest vulnerable version.
-        current_version = float(software.version)
-        upgrade_to_version = max_vuln_version + 0.01
-        if current_version < upgrade_to_version:
-            out.head('# recommendations')
-            fn('(rec) Upgrade to PuTTY v%.2f' % upgrade_to_version)
-            out.sep()
-            ret = False
-        return ret
-
     level_to_output = {
         "informational": out.good,
         "warning": out.warn,
@@ -421,6 +356,8 @@ def output_recommendations(out: OutputBuffer, algs: Algorithms, algorithm_recomm
 
                         fn = level_to_output[level]
 
+                        an = '?'
+                        sg = '?'
                         if action == 'del':
                             an, sg = 'remove', '-'
                             ret = False
@@ -684,7 +621,7 @@ def output(out: OutputBuffer, aconf: AuditConf, banner: Optional[Banner], header
         out.flush_section()
         out.sep()
     maxlen = algs.maxlen + 1
-    cves = output_security(out, banner, client_audit, maxlen, aconf.json)
+    output_security(out, banner, maxlen, aconf.json)
     # Filled in by output_algorithms() with unidentified algs.
     unknown_algorithms: List[str] = []
 
@@ -719,9 +656,9 @@ def output(out: OutputBuffer, aconf: AuditConf, banner: Optional[Banner], header
     if aconf.json:
         out.reset()
         # Build & write the JSON struct.
-        out.info(json.dumps(build_struct(aconf.host + ":" + str(aconf.port), banner, cves, kex=kex, client_host=client_host, software=software, algorithms=algs, algorithm_recommendation_suppress_list=algorithm_recommendation_suppress_list, additional_notes=additional_notes), indent=4 if aconf.json_print_indent else None, sort_keys=True))
+        out.info(json.dumps(build_struct(aconf.host + ":" + str(aconf.port), banner, kex=kex, client_host=client_host, software=software, algorithms=algs, algorithm_recommendation_suppress_list=algorithm_recommendation_suppress_list, additional_notes=additional_notes), indent=4 if aconf.json_print_indent else None, sort_keys=True))
     elif len(unknown_algorithms) > 0:  # If we encountered any unknown algorithms, ask the user to report them.
-        out.warn("\n\n!!! WARNING: unknown algorithm(s) found!: %s.  Please email the full output above to the maintainer (jtesta@positronsecurity.com), or create a Github issue at <https://github.com/jtesta/ssh-audit/issues>.\n" % ','.join(unknown_algorithms))
+        out.warn("\n\n!!! WARNING: unknown algorithm(s) found!: %s.  If this is the latest version of ssh-audit (see <https://github.com/jtesta/ssh-audit/releases>), please create a new Github issue at <https://github.com/jtesta/ssh-audit/issues> with the full output above.\n" % ','.join(unknown_algorithms))
 
     return program_retval
 
@@ -733,7 +670,12 @@ def evaluate_policy(out: OutputBuffer, aconf: AuditConf, banner: Optional['Banne
 
     passed, error_struct, error_str = aconf.policy.evaluate(banner, kex)
     if aconf.json:
-        json_struct = {'host': aconf.host, 'policy': aconf.policy.get_name_and_version(), 'passed': passed, 'errors': error_struct}
+        warnings: List[str] = []
+        if aconf.policy.is_outdated_builtin_policy():
+            warnings.append("A newer version of this built-in policy is available.")
+
+        json_struct = {'host': aconf.host, 'port': aconf.port, 'policy': aconf.policy.get_name_and_version(), 'passed': passed, 'errors': error_struct, 'warnings': warnings}
+
         out.info(json.dumps(json_struct, indent=4 if aconf.json_print_indent else None, sort_keys=True))
     else:
         spacing = ''
@@ -766,6 +708,10 @@ def evaluate_policy(out: OutputBuffer, aconf: AuditConf, banner: Optional['Banne
             out.fail("%sFailed!" % icon_fail)
             out.warn("\nErrors:\n%s" % error_str)
 
+        # If the user selected an out-dated built-in policy then issue a warning.
+        if aconf.policy.is_outdated_builtin_policy():
+            out.warn("Note: A newer version of this built-in policy is available.  Use the -L option to view all available versions.")
+
     return passed
 
 
@@ -836,8 +782,9 @@ def list_policies(out: OutputBuffer, verbose: bool) -> None:
         out.fail("Error: no built-in policies found!")
     else:
         out.info("\nHint: Use -P and provide the full name of a policy to run a policy scan with.\n")
-        out.info("Hint: Use -L -v to also see the change log for each policy.\n")
+        out.info("Hint: Use -L -v to see the change log for each policy, as well as previous versions.\n")
         out.info("Note: the general OpenSSH policies apply to the official releases only. OS distributions may back-port changes that cause failures (for example, Debian 11 back-ported the strict KEX mode into their package of OpenSSH v8.4, whereas it was only officially added to OpenSSH v9.6 and later).  In these cases, consider creating a custom policy (-M option).\n")
+        out.info("Note: instructions for hardening targets, which correspond to the above policies, can be found at: <https://ssh-audit.com/hardening_guides.html>\n")
     out.write()
 
 
@@ -1068,7 +1015,7 @@ def process_commandline(out: OutputBuffer, args: List[str], usage_cb: Callable[.
     return aconf
 
 
-def build_struct(target_host: str, banner: Optional['Banner'], cves: List[Dict[str, Union[str, float]]], kex: Optional['SSH2_Kex'] = None, pkm: Optional['SSH1_PublicKeyMessage'] = None, client_host: Optional[str] = None, software: Optional[Software] = None, algorithms: Optional[Algorithms] = None, algorithm_recommendation_suppress_list: Optional[List[str]] = None, additional_notes: List[str] = []) -> Any:  # pylint: disable=dangerous-default-value
+def build_struct(target_host: str, banner: Optional['Banner'], kex: Optional['SSH2_Kex'] = None, pkm: Optional['SSH1_PublicKeyMessage'] = None, client_host: Optional[str] = None, software: Optional[Software] = None, algorithms: Optional[Algorithms] = None, algorithm_recommendation_suppress_list: Optional[List[str]] = None, additional_notes: List[str] = []) -> Any:  # pylint: disable=dangerous-default-value
 
     def fetch_notes(algorithm: str, alg_type: str) -> Dict[str, List[Optional[str]]]:
         '''Returns a dictionary containing the messages in the "fail", "warn", and "info" levels for this algorithm.'''
@@ -1230,8 +1177,8 @@ def build_struct(target_host: str, banner: Optional['Banner'], cves: List[Dict[s
             'fp': pkm_fp,
         }]
 
-    # Add in the CVE information.
-    res['cves'] = cves
+    # Historically, CVE information was returned.  Now we'll just return an empty dictionary so as to not break any legacy clients.
+    res['cves'] = []
 
     # Add in the recommendations.
     res['recommendations'] = get_algorithm_recommendations(algorithms, algorithm_recommendation_suppress_list, software, for_server=True)
@@ -1315,6 +1262,7 @@ def audit(out: OutputBuffer, aconf: AuditConf, sshv: Optional[int] = None, print
     elif sshv == 2:
         try:
             kex = SSH2_Kex.parse(out, payload)
+            out.d(str(kex))
         except Exception:
             out.fail("Failed to parse server's kex.  Stack trace:\n%s" % str(traceback.format_exc()))
             return exitcodes.CONNECTION_ERROR
@@ -1584,10 +1532,10 @@ def main() -> int:
         if aconf.json:
             print('[', end='')
 
-        # Loop through each target in the list.
+        # Loop through each target in the list.  Entries can specify a port number to use, otherwise the value provided on the command line (--port=N) will be used by default (set to 22 if --port is not used).
         target_servers = []
         for _, target in enumerate(aconf.target_list):
-            host, port = Utils.parse_host_and_port(target, default_port=22)
+            host, port = Utils.parse_host_and_port(target, default_port=aconf.port)
             target_servers.append((host, port))
 
         # A ranked list of return codes.  Those with higher indices will take precedence over lower ones.  For example, if three servers are scanned, yielding WARNING, GOOD, and UNKNOWN_ERROR, the overall result will be UNKNOWN_ERROR, since its index is the highest.  Errors have highest priority, followed by failures, then warnings.

src/ssh_audit/ssh_socket.py

@@ -108,7 +108,7 @@ class SSH_Socket(ReadBuf, WriteBuf):
             s.listen()
             self.__sock_map[s.fileno()] = s
         except Exception as e:
-            print("Warning: failed to listen on any IPv4 interfaces: %s" % str(e))
+            print("Warning: failed to listen on any IPv4 interfaces: %s" % str(e), file=sys.stderr)
 
         try:
             # Socket to listen on all IPv6 addresses.
@@ -119,11 +119,11 @@ class SSH_Socket(ReadBuf, WriteBuf):
             s.listen()
             self.__sock_map[s.fileno()] = s
         except Exception as e:
-            print("Warning: failed to listen on any IPv6 interfaces: %s" % str(e))
+            print("Warning: failed to listen on any IPv6 interfaces: %s" % str(e), file=sys.stderr)
 
         # If we failed to listen on any interfaces, terminate.
         if len(self.__sock_map.keys()) == 0:
-            print("Error: failed to listen on any IPv4 and IPv6 interfaces!")
+            print("Error: failed to listen on any IPv4 and IPv6 interfaces!", file=sys.stderr)
             sys.exit(exitcodes.CONNECTION_ERROR)
 
         # Wait for an incoming connection.  If a timeout was explicitly

src/ssh_audit/versionvulnerabilitydb.py

@@ -1,170 +0,0 @@
-"""
-   The MIT License (MIT)
-
-   Copyright (C) 2017-2020 Joe Testa (jtesta@positronsecurity.com)
-   Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu)
-
-   Permission is hereby granted, free of charge, to any person obtaining a copy
-   of this software and associated documentation files (the "Software"), to deal
-   in the Software without restriction, including without limitation the rights
-   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-   copies of the Software, and to permit persons to whom the Software is
-   furnished to do so, subject to the following conditions:
-
-   The above copyright notice and this permission notice shall be included in
-   all copies or substantial portions of the Software.
-
-   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-   THE SOFTWARE.
-"""
-# pylint: disable=unused-import
-from typing import Dict, List, Set, Sequence, Tuple, Iterable  # noqa: F401
-from typing import Callable, Optional, Union, Any  # noqa: F401
-
-
-class VersionVulnerabilityDB:  # pylint: disable=too-few-public-methods
-    # Format: [starting_vuln_version, last_vuln_version, affected, CVE_ID, CVSSv2, description]
-    #   affected: 1 = server, 2 = client, 4 = local
-    #   Example:  if it affects servers, both remote & local, then affected
-    #             = 1.  If it affects servers, but is a local issue only,
-    #             then affected = 1 + 4 = 5.
-    CVE: Dict[str, List[List[Any]]] = {
-        'Dropbear SSH': [
-            ['0.0', '2020.81', 2, 'CVE-2021-36369', 7.5, 'trivial authentication attack to bypass FIDO tokens and SSH-ASKPASS'],
-            ['0.0', '2018.76', 1, 'CVE-2018-15599', 5.0, 'remote users may enumerate users on the system'],
-            ['0.0', '2017.74', 5, 'CVE-2017-9079', 4.7, 'local users can read certain files as root'],
-            ['0.0', '2017.74', 5, 'CVE-2017-9078', 9.3, 'local users may elevate privileges to root under certain conditions'],
-            ['0.0', '2016.73', 5, 'CVE-2016-7409', 2.1, 'local users can read process memory under limited conditions'],
-            ['0.0', '2016.73', 1, 'CVE-2016-7408', 6.5, 'remote users can execute arbitrary code'],
-            ['0.0', '2016.73', 5, 'CVE-2016-7407', 10.0, 'local users can execute arbitrary code'],
-            ['0.0', '2016.73', 1, 'CVE-2016-7406', 10.0, 'remote users can execute arbitrary code'],
-            ['0.44', '2015.71', 1, 'CVE-2016-3116', 5.5, 'bypass command restrictions via xauth command injection'],
-            ['0.28', '2013.58', 1, 'CVE-2013-4434', 5.0, 'discover valid usernames through different time delays'],
-            ['0.28', '2013.58', 1, 'CVE-2013-4421', 5.0, 'cause DoS via a compressed packet (memory consumption)'],
-            ['0.52', '2011.54', 1, 'CVE-2012-0920', 7.1, 'execute arbitrary code or bypass command restrictions'],
-            ['0.40', '0.48.1',  1, 'CVE-2007-1099', 7.5, 'conduct a MitM attack (no warning for hostkey mismatch)'],
-            ['0.28', '0.47',    1, 'CVE-2006-1206', 7.5, 'cause DoS via large number of connections (slot exhaustion)'],
-            ['0.39', '0.47',    1, 'CVE-2006-0225', 4.6, 'execute arbitrary commands via scp with crafted filenames'],
-            ['0.28', '0.46',    1, 'CVE-2005-4178', 6.5, 'execute arbitrary code via buffer overflow vulnerability'],
-            ['0.28', '0.42',    1, 'CVE-2004-2486', 7.5, 'execute arbitrary code via DSS verification code']],
-        'libssh': [
-            ['0.6.4',   '0.6.4',  1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
-            ['0.7.0',   '0.7.5',  1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
-            ['0.8.0',   '0.8.3',  1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
-            ['0.1',   '0.7.2',  1, 'CVE-2016-0739', 4.3, 'conduct a MitM attack (weakness in DH key generation)'],
-            ['0.5.1', '0.6.4',  1, 'CVE-2015-3146', 5.0, 'cause DoS via kex packets (null pointer dereference)'],
-            ['0.5.1', '0.6.3',  1, 'CVE-2014-8132', 5.0, 'cause DoS via kex init packet (dangling pointer)'],
-            ['0.4.7', '0.6.2',  1, 'CVE-2014-0017', 1.9, 'leak data via PRNG state reuse on forking servers'],
-            ['0.4.7', '0.5.3',  1, 'CVE-2013-0176', 4.3, 'cause DoS via kex packet (null pointer dereference)'],
-            ['0.4.7', '0.5.2',  1, 'CVE-2012-6063', 7.5, 'cause DoS or execute arbitrary code via sftp (double free)'],
-            ['0.4.7', '0.5.2',  1, 'CVE-2012-4562', 7.5, 'cause DoS or execute arbitrary code (overflow check)'],
-            ['0.4.7', '0.5.2',  1, 'CVE-2012-4561', 5.0, 'cause DoS via unspecified vectors (invalid pointer)'],
-            ['0.4.7', '0.5.2',  1, 'CVE-2012-4560', 7.5, 'cause DoS or execute arbitrary code (buffer overflow)'],
-            ['0.4.7', '0.5.2',  1, 'CVE-2012-4559', 6.8, 'cause DoS or execute arbitrary code (double free)']],
-        'OpenSSH': [
-            ['6.2',     '8.7',     5, 'CVE-2021-41617', 7.0, 'privilege escalation via supplemental groups'],
-            ['1.0',     '8.8',     2, 'CVE-2021-36368', 3.7, 'trivial authentication attack to bypass FIDO tokens and SSH-ASKPASS'],
-            ['8.2',     '8.4',     2, 'CVE-2021-28041', 7.1, 'double free via ssh-agent'],
-            ['1.0',     '8.3',     5, 'CVE-2020-15778', 7.8, 'command injection via anomalous argument transfers'],
-            ['5.7',     '8.3',     2, 'CVE-2020-14145', 5.9, 'information leak via algorithm negotiation'],
-            ['8.2',     '8.2',     2, 'CVE-2020-12062', 7.5, 'arbitrary files overwrite via scp'],
-            ['7.7',     '8.0',     7, 'CVE-2019-16905', 7.8, 'memory corruption and local code execution via pre-authentication integer overflow'],
-            ['1.0',     '7.9',     2, 'CVE-2019-6111',  5.9, 'arbitrary files overwrite via scp'],
-            ['1.0',     '7.9',     2, 'CVE-2019-6110',  6.8, 'output manipulation'],
-            ['1.0',     '7.9',     2, 'CVE-2019-6109',  6.8, 'output manipulation'],
-            ['1.0',     '7.9',     2, 'CVE-2018-20685', 5.3, 'directory permissions modification via scp'],
-            ['5.9',     '7.8',     1, 'CVE-2018-15919', 5.3, 'username enumeration via GS2'],
-            ['1.0',     '7.7',     1, 'CVE-2018-15473', 5.3, 'enumerate usernames due to timing discrepancies'],
-            ['1.2',     '6.292',   1, 'CVE-2017-15906', 5.3, 'readonly bypass via sftp'],
-            ['1.0',     '8.7',     1, 'CVE-2016-20012', 5.3, 'enumerate usernames via challenge response'],
-            ['7.2',     '7.2p2',   1, 'CVE-2016-6515',  7.8, 'cause DoS via long password string (crypt CPU consumption)'],
-            ['1.2.2',   '7.2',     1, 'CVE-2016-3115',  5.5, 'bypass command restrictions via crafted X11 forwarding data'],
-            ['5.4',     '7.1',     1, 'CVE-2016-1907',  5.0, 'cause DoS via crafted network traffic (out of bounds read)'],
-            ['5.4',     '7.1p1',   2, 'CVE-2016-0778',  4.6, 'cause DoS via requesting many forwardings (heap based buffer overflow)'],
-            ['5.0',     '7.1p1',   2, 'CVE-2016-0777',  4.0, 'leak data via allowing transfer of entire buffer'],
-            ['6.0',     '7.2p2',   5, 'CVE-2015-8325',  7.2, 'privilege escalation via triggering crafted environment'],
-            ['6.8',     '6.9',     5, 'CVE-2015-6565',  7.2, 'cause DoS via writing to a device (terminal disruption)'],
-            ['5.0',     '6.9',     5, 'CVE-2015-6564',  6.9, 'privilege escalation via leveraging sshd uid'],
-            ['5.0',     '6.9',     5, 'CVE-2015-6563',  1.9, 'conduct impersonation attack'],
-            ['6.9p1',   '6.9p1',   1, 'CVE-2015-5600',  8.5, 'cause Dos or aid in conduct brute force attack (CPU consumption)'],
-            ['6.0',     '6.6',     1, 'CVE-2015-5352',  4.3, 'bypass access restrictions via a specific connection'],
-            ['6.0',     '6.6',     2, 'CVE-2014-2653',  5.8, 'bypass SSHFP DNS RR check via unacceptable host certificate'],
-            ['5.0',     '6.5',     1, 'CVE-2014-2532',  5.8, 'bypass environment restrictions via specific string before wildcard'],
-            ['1.2',     '6.4',     1, 'CVE-2014-1692',  7.5, 'cause DoS via triggering error condition (memory corruption)'],
-            ['6.2',     '6.3',     1, 'CVE-2013-4548',  6.0, 'bypass command restrictions via crafted packet data'],
-            ['1.2',     '5.6',     1, 'CVE-2012-0814',  3.5, 'leak data via debug messages'],
-            ['1.2',     '5.8',     1, 'CVE-2011-5000',  3.5, 'cause DoS via large value in certain length field (memory consumption)'],
-            ['5.6',     '5.7',     2, 'CVE-2011-0539',  5.0, 'leak data or conduct hash collision attack'],
-            ['1.2',     '6.1',     1, 'CVE-2010-5107',  5.0, 'cause DoS via large number of connections (slot exhaustion)'],
-            ['1.2',     '5.8',     1, 'CVE-2010-4755',  4.0, 'cause DoS via crafted glob expression (CPU and memory consumption)'],
-            ['1.2',     '5.6',     1, 'CVE-2010-4478',  7.5, 'bypass authentication check via crafted values'],
-            ['4.3',     '4.8',     1, 'CVE-2009-2904',  6.9, 'privilege escalation via hard links to setuid programs'],
-            ['4.0',     '5.1',     1, 'CVE-2008-5161',  2.6, 'recover plaintext data from ciphertext'],
-            ['1.2',     '4.6',     1, 'CVE-2008-4109',  5.0, 'cause DoS via multiple login attempts (slot exhaustion)'],
-            ['1.2',     '4.8',     1, 'CVE-2008-1657',  6.5, 'bypass command restrictions via modifying session file'],
-            ['1.2.2',   '4.9',     1, 'CVE-2008-1483',  6.9, 'hijack forwarded X11 connections'],
-            ['4.0',     '4.6',     1, 'CVE-2007-4752',  7.5, 'privilege escalation via causing an X client to be trusted'],
-            ['4.3p2',   '4.3p2',   1, 'CVE-2007-3102',  4.3, 'allow attacker to write random data to audit log'],
-            ['1.2',     '4.6',     1, 'CVE-2007-2243',  5.0, 'discover valid usernames through different responses'],
-            ['4.4',     '4.4',     1, 'CVE-2006-5794',  7.5, 'bypass authentication'],
-            ['4.1',     '4.1p1',   1, 'CVE-2006-5229',  2.6, 'discover valid usernames through different time delays'],
-            ['1.2',     '4.3p2',   1, 'CVE-2006-5052',  5.0, 'discover valid usernames through different responses'],
-            ['1.2',     '4.3p2',   1, 'CVE-2006-5051',  9.3, 'cause DoS or execute arbitrary code (double free)'],
-            ['4.5',     '4.5',     1, 'CVE-2006-4925',  5.0, 'cause DoS via invalid protocol sequence (crash)'],
-            ['1.2',     '4.3p2',   1, 'CVE-2006-4924',  7.8, 'cause DoS via crafted packet (CPU consumption)'],
-            ['3.8.1p1', '3.8.1p1', 1, 'CVE-2006-0883',  5.0, 'cause DoS via connecting multiple times (client connection refusal)'],
-            ['3.0',     '4.2p1',   1, 'CVE-2006-0225',  4.6, 'execute arbitrary code'],
-            ['2.1',     '4.1p1',   1, 'CVE-2005-2798',  5.0, 'leak data about authentication credentials'],
-            ['3.5',     '3.5p1',   1, 'CVE-2004-2760',  6.8, 'leak data through different connection states'],
-            ['2.3',     '3.7.1p2', 1, 'CVE-2004-2069',  5.0, 'cause DoS via large number of connections (slot exhaustion)'],
-            ['3.0',     '3.4p1',   1, 'CVE-2004-0175',  4.3, 'leak data through directory traversal'],
-            ['1.2',     '3.9p1',   1, 'CVE-2003-1562',  7.6, 'leak data about authentication credentials'],
-            ['3.1p1',   '3.7.1p1', 1, 'CVE-2003-0787',  7.5, 'privilege escalation via modifying stack'],
-            ['3.1p1',   '3.7.1p1', 1, 'CVE-2003-0786', 10.0, 'privilege escalation via bypassing authentication'],
-            ['1.0',     '3.7.1',   1, 'CVE-2003-0695',  7.5, 'cause DoS or execute arbitrary code'],
-            ['1.0',     '3.7',     1, 'CVE-2003-0693', 10.0, 'execute arbitrary code'],
-            ['3.0',     '3.6.1p2', 1, 'CVE-2003-0386',  7.5, 'bypass address restrictions for connection'],
-            ['3.1p1',   '3.6.1p1', 1, 'CVE-2003-0190',  5.0, 'discover valid usernames through different time delays'],
-            ['3.2.2',   '3.2.2',   1, 'CVE-2002-0765',  7.5, 'bypass authentication'],
-            ['1.2.2',   '3.3p1',   1, 'CVE-2002-0640', 10.0, 'execute arbitrary code'],
-            ['1.2.2',   '3.3p1',   1, 'CVE-2002-0639', 10.0, 'execute arbitrary code'],
-            ['2.1',     '3.2',     1, 'CVE-2002-0575',  7.5, 'privilege escalation'],
-            ['2.1',     '3.0.2p1', 2, 'CVE-2002-0083', 10.0, 'privilege escalation'],
-            ['3.0',     '3.0p1',   1, 'CVE-2001-1507',  7.5, 'bypass authentication'],
-            ['1.2.3',   '3.0.1p1', 5, 'CVE-2001-0872',  7.2, 'privilege escalation via crafted environment variables'],
-            ['1.2.3',   '2.1.1',   1, 'CVE-2001-0361',  4.0, 'recover plaintext from ciphertext'],
-            ['1.2',     '2.1',     1, 'CVE-2000-0525', 10.0, 'execute arbitrary code (improper privileges)']],
-        'PuTTY': [
-            # info for CVE-2021-36367 - only PuTTY up to 0.71 is affected - see https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/reject-trivial-auth.html
-            ['0.0', '0.71', 2, 'CVE-2021-36367', 8.1, 'trivial authentication attack to bypass FIDO tokens and SSH-ASKPASS'],
-            ['0.0', '0.74', 2, 'CVE-2021-33500', 5.0, 'denial of service of the complete windows desktop'],
-            ['0.68', '0.73', 2, 'CVE-2020-14002', 4.3, 'Observable Discrepancy which allows man-in-the-middle attackers to target initial connection attempts'],
-            ['0.54', '0.73', 2, 'CVE-2020-XXXX', 5.0, 'out of bounds memory read'],
-            ['0.0', '0.72', 2, 'CVE-2019-17069', 5.0, 'potential DOS by remote SSHv1 server'],
-            ['0.71', '0.72', 2, 'CVE-2019-17068', 5.0, 'xterm bracketed paste mode command injection'],
-            ['0.52', '0.72', 2, 'CVE-2019-17067', 7.5, 'port rebinding weakness in port forward tunnel handling'],
-            ['0.0', '0.71', 2, 'CVE-2019-XXXX', 5.0, 'undefined vulnerability in obsolete SSHv1 protocol handling'],
-            ['0.0', '0.71', 6, 'CVE-2019-XXXX', 5.0, 'local privilege escalation in Pageant'],
-            ['0.0', '0.70', 2, 'CVE-2019-9898', 7.5, 'potential recycling of random numbers'],
-            ['0.0', '0.70', 2, 'CVE-2019-9897', 5.0, 'multiple denial-of-service issues from writing to the terminal'],
-            ['0.0', '0.70', 6, 'CVE-2019-9896', 4.6, 'local application hijacking through malicious Windows help file'],
-            ['0.0', '0.70', 2, 'CVE-2019-9894', 6.4, 'buffer overflow in RSA key exchange'],
-            ['0.0', '0.69', 6, 'CVE-2016-6167', 4.4, 'local application hijacking through untrusted DLL loading'],
-            ['0.0', '0.67', 2, 'CVE-2017-6542', 7.5, 'buffer overflow in UNIX client that can result in privilege escalation or denial-of-service'],
-            ['0.0', '0.66', 2, 'CVE-2016-2563', 7.5, 'buffer overflow in SCP command-line utility'],
-            ['0.0', '0.65', 2, 'CVE-2015-5309', 4.3, 'integer overflow in terminal-handling code'],
-        ]
-    }
-    TXT: Dict[str, List[List[Any]]] = {
-        'Dropbear SSH': [
-            ['0.28', '0.34', 1, 'remote root exploit', 'remote format string buffer overflow exploit (exploit-db#387)']],
-        'libssh': [
-            ['0.3.3', '0.3.3', 1, 'null pointer check', 'missing null pointer check in "crypt_set_algorithms_server"'],
-            ['0.3.3', '0.3.3', 1, 'integer overflow',   'integer overflow in "buffer_get_data"'],
-            ['0.3.3', '0.3.3', 3, 'heap overflow',      'heap overflow in "packet_decrypt"']]
-    }

ssh-audit.1

@@ -1,4 +1,4 @@
-.TH SSH-AUDIT 1 "April 18, 2024"
+.TH SSH-AUDIT 1 "September 24, 2024"
 .SH NAME
 \fBssh-audit\fP \- SSH server & client configuration auditor
 .SH SYNOPSIS
@@ -149,7 +149,7 @@ The timeout, in seconds, for creating connections and reading data from the sock
 .TP
 .B -T, \-\-targets=<hosts.txt>
 .br
-A file containing a list of target hosts.  Each line must have one host, in the format of HOST[:PORT].  Use --threads to control concurrent scans.
+A file containing a list of target hosts.  Each line must have one host, in the format of HOST[:PORT].  Use -p/--port to set the default port for all hosts.  Use --threads to control concurrent scans.
 
 .TP
 .B     \-\-threads=<threads>

test/docker/expected_results/dropbear_2019.78_test1.json

@@ -78,6 +78,26 @@
         }
     ],
     "fingerprints": [
+        {
+            "hash": "jdUfqoGCDOY1drQcoqIJm/pEix2r09hqwOs9E9GimZQ",
+            "hash_alg": "SHA256",
+            "hostkey": "ecdsa-sha2-nistp256"
+        },
+        {
+            "hash": "98:27:f3:12:20:f6:23:6d:1a:00:2a:6c:71:7c:1e:6b",
+            "hash_alg": "MD5",
+            "hostkey": "ecdsa-sha2-nistp256"
+        },
+        {
+            "hash": "NBzry0uMAX8BRsn4mv9CHpeivMOdwzGFEKrf6Hg7tIQ",
+            "hash_alg": "SHA256",
+            "hostkey": "ssh-dss"
+        },
+        {
+            "hash": "16:60:9e:54:d7:1e:b3:0d:97:60:12:ad:fe:83:a2:40",
+            "hash_alg": "MD5",
+            "hostkey": "ssh-dss"
+        },
         {
             "hash": "CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM",
             "hash_alg": "SHA256",

test/docker/expected_results/openssh_4.0p1_test1.json

@@ -10,118 +10,7 @@
         "none",
         "zlib"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        },
-        {
-            "cvssv2": 2.6,
-            "description": "recover plaintext data from ciphertext",
-            "name": "CVE-2008-5161"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via multiple login attempts (slot exhaustion)",
-            "name": "CVE-2008-4109"
-        },
-        {
-            "cvssv2": 6.5,
-            "description": "bypass command restrictions via modifying session file",
-            "name": "CVE-2008-1657"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "hijack forwarded X11 connections",
-            "name": "CVE-2008-1483"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "privilege escalation via causing an X client to be trusted",
-            "name": "CVE-2007-4752"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "discover valid usernames through different responses",
-            "name": "CVE-2007-2243"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "discover valid usernames through different responses",
-            "name": "CVE-2006-5052"
-        },
-        {
-            "cvssv2": 9.3,
-            "description": "cause DoS or execute arbitrary code (double free)",
-            "name": "CVE-2006-5051"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "cause DoS via crafted packet (CPU consumption)",
-            "name": "CVE-2006-4924"
-        },
-        {
-            "cvssv2": 4.6,
-            "description": "execute arbitrary code",
-            "name": "CVE-2006-0225"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "leak data about authentication credentials",
-            "name": "CVE-2005-2798"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-cbc",
@@ -253,6 +142,16 @@
         }
     ],
     "fingerprints": [
+        {
+            "hash": "sqDDYhzYz7YIQeFDc0WF8SeXtrEz+iwsV7d/FdIgztM",
+            "hash_alg": "SHA256",
+            "hostkey": "ssh-dss"
+        },
+        {
+            "hash": "5c:de:62:f0:60:c8:93:13:87:71:78:95:56:3f:61:51",
+            "hash_alg": "MD5",
+            "hostkey": "ssh-dss"
+        },
         {
             "hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4",
             "hash_alg": "SHA256",

test/docker/expected_results/openssh_4.0p1_test1.txt

@@ -6,28 +6,6 @@
 (gen) compression: enabled (zlib)
 
 # security
-(cve) CVE-2020-15778                      -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                      -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                      -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                      -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                       -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2014-1692                       -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                       -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                       -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                       -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                       -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                       -- (CVSSv2: 7.5) bypass authentication check via crafted values
-(cve) CVE-2008-5161                       -- (CVSSv2: 2.6) recover plaintext data from ciphertext
-(cve) CVE-2008-4109                       -- (CVSSv2: 5.0) cause DoS via multiple login attempts (slot exhaustion)
-(cve) CVE-2008-1657                       -- (CVSSv2: 6.5) bypass command restrictions via modifying session file
-(cve) CVE-2008-1483                       -- (CVSSv2: 6.9) hijack forwarded X11 connections
-(cve) CVE-2007-4752                       -- (CVSSv2: 7.5) privilege escalation via causing an X client to be trusted
-(cve) CVE-2007-2243                       -- (CVSSv2: 5.0) discover valid usernames through different responses
-(cve) CVE-2006-5052                       -- (CVSSv2: 5.0) discover valid usernames through different responses
-(cve) CVE-2006-5051                       -- (CVSSv2: 9.3) cause DoS or execute arbitrary code (double free)
-(cve) CVE-2006-4924                       -- (CVSSv2: 7.8) cause DoS via crafted packet (CPU consumption)
-(cve) CVE-2006-0225                       -- (CVSSv2: 4.6) execute arbitrary code
-(cve) CVE-2005-2798                       -- (CVSSv2: 5.0) leak data about authentication credentials
 (sec) SSH v1 enabled                      -- SSH v1 can be exploited to recover plaintext passwords
 
 # key exchange algorithms

test/docker/expected_results/openssh_5.6p1_custom_policy_test1.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test1 (version 1)"
+    "policy": "Docker policy: test1 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test10.json

@@ -27,5 +27,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker poliicy: test10 (version 1)"
+    "policy": "Docker poliicy: test10 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test2.json

@@ -19,5 +19,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test2 (version 1)"
+    "policy": "Docker policy: test2 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test3.json

@@ -18,5 +18,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test3 (version 1)"
+    "policy": "Docker policy: test3 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test4.json

@@ -28,5 +28,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test4 (version 1)"
+    "policy": "Docker policy: test4 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test5.json

@@ -27,5 +27,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test5 (version 1)"
+    "policy": "Docker policy: test5 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test7.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker poliicy: test7 (version 1)"
+    "policy": "Docker poliicy: test7 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test8.json

@@ -15,5 +15,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker poliicy: test8 (version 1)"
+    "policy": "Docker poliicy: test8 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_custom_policy_test9.json

@@ -15,5 +15,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker poliicy: test9 (version 1)"
+    "policy": "Docker poliicy: test9 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_5.6p1_test1.json

@@ -10,83 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via crafted network traffic (out of bounds read)",
-            "name": "CVE-2016-1907"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "privilege escalation via leveraging sshd uid",
-            "name": "CVE-2015-6564"
-        },
-        {
-            "cvssv2": 1.9,
-            "description": "conduct impersonation attack",
-            "name": "CVE-2015-6563"
-        },
-        {
-            "cvssv2": 5.8,
-            "description": "bypass environment restrictions via specific string before wildcard",
-            "name": "CVE-2014-2532"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-ctr",
@@ -240,6 +164,16 @@
         }
     ],
     "fingerprints": [
+        {
+            "hash": "sqDDYhzYz7YIQeFDc0WF8SeXtrEz+iwsV7d/FdIgztM",
+            "hash_alg": "SHA256",
+            "hostkey": "ssh-dss"
+        },
+        {
+            "hash": "5c:de:62:f0:60:c8:93:13:87:71:78:95:56:3f:61:51",
+            "hash_alg": "MD5",
+            "hostkey": "ssh-dss"
+        },
         {
             "hash": "YZ457EBcJTSxRKI3yXRgtAj3PBf5B9/F36b1SVooml4",
             "hash_alg": "SHA256",

test/docker/expected_results/openssh_5.6p1_test1.txt

@@ -4,23 +4,6 @@
 (gen) compatibility: OpenSSH 4.7-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                        -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                        -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                         -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2016-1907                         -- (CVSSv2: 5.0) cause DoS via crafted network traffic (out of bounds read)
-(cve) CVE-2015-6564                         -- (CVSSv2: 6.9) privilege escalation via leveraging sshd uid
-(cve) CVE-2015-6563                         -- (CVSSv2: 1.9) conduct impersonation attack
-(cve) CVE-2014-2532                         -- (CVSSv2: 5.8) bypass environment restrictions via specific string before wildcard
-(cve) CVE-2014-1692                         -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                         -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                         -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                         -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                         -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                         -- (CVSSv2: 7.5) bypass authentication check via crafted values
-
 # key exchange algorithms
 (kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                       `- [info] available since OpenSSH 4.4

test/docker/expected_results/openssh_5.6p1_test2.json

@@ -10,83 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via crafted network traffic (out of bounds read)",
-            "name": "CVE-2016-1907"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "privilege escalation via leveraging sshd uid",
-            "name": "CVE-2015-6564"
-        },
-        {
-            "cvssv2": 1.9,
-            "description": "conduct impersonation attack",
-            "name": "CVE-2015-6563"
-        },
-        {
-            "cvssv2": 5.8,
-            "description": "bypass environment restrictions via specific string before wildcard",
-            "name": "CVE-2014-2532"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-ctr",

test/docker/expected_results/openssh_5.6p1_test2.txt

@@ -4,23 +4,6 @@
 (gen) compatibility: OpenSSH 5.6-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                        -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                        -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                         -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2016-1907                         -- (CVSSv2: 5.0) cause DoS via crafted network traffic (out of bounds read)
-(cve) CVE-2015-6564                         -- (CVSSv2: 6.9) privilege escalation via leveraging sshd uid
-(cve) CVE-2015-6563                         -- (CVSSv2: 1.9) conduct impersonation attack
-(cve) CVE-2014-2532                         -- (CVSSv2: 5.8) bypass environment restrictions via specific string before wildcard
-(cve) CVE-2014-1692                         -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                         -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                         -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                         -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                         -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                         -- (CVSSv2: 7.5) bypass authentication check via crafted values
-
 # key exchange algorithms
 (kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                       `- [info] available since OpenSSH 4.4

test/docker/expected_results/openssh_5.6p1_test3.json

@@ -10,83 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via crafted network traffic (out of bounds read)",
-            "name": "CVE-2016-1907"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "privilege escalation via leveraging sshd uid",
-            "name": "CVE-2015-6564"
-        },
-        {
-            "cvssv2": 1.9,
-            "description": "conduct impersonation attack",
-            "name": "CVE-2015-6563"
-        },
-        {
-            "cvssv2": 5.8,
-            "description": "bypass environment restrictions via specific string before wildcard",
-            "name": "CVE-2014-2532"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-ctr",

test/docker/expected_results/openssh_5.6p1_test3.txt

@@ -4,23 +4,6 @@
 (gen) compatibility: OpenSSH 5.6-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                        -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                        -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                         -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2016-1907                         -- (CVSSv2: 5.0) cause DoS via crafted network traffic (out of bounds read)
-(cve) CVE-2015-6564                         -- (CVSSv2: 6.9) privilege escalation via leveraging sshd uid
-(cve) CVE-2015-6563                         -- (CVSSv2: 1.9) conduct impersonation attack
-(cve) CVE-2014-2532                         -- (CVSSv2: 5.8) bypass environment restrictions via specific string before wildcard
-(cve) CVE-2014-1692                         -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                         -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                         -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                         -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                         -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                         -- (CVSSv2: 7.5) bypass authentication check via crafted values
-
 # key exchange algorithms
 (kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                       `- [info] available since OpenSSH 4.4

test/docker/expected_results/openssh_5.6p1_test4.json

@@ -10,83 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via crafted network traffic (out of bounds read)",
-            "name": "CVE-2016-1907"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "privilege escalation via leveraging sshd uid",
-            "name": "CVE-2015-6564"
-        },
-        {
-            "cvssv2": 1.9,
-            "description": "conduct impersonation attack",
-            "name": "CVE-2015-6563"
-        },
-        {
-            "cvssv2": 5.8,
-            "description": "bypass environment restrictions via specific string before wildcard",
-            "name": "CVE-2014-2532"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-ctr",

test/docker/expected_results/openssh_5.6p1_test4.txt

@@ -4,23 +4,6 @@
 (gen) compatibility: OpenSSH 5.6-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                        -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                        -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                         -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2016-1907                         -- (CVSSv2: 5.0) cause DoS via crafted network traffic (out of bounds read)
-(cve) CVE-2015-6564                         -- (CVSSv2: 6.9) privilege escalation via leveraging sshd uid
-(cve) CVE-2015-6563                         -- (CVSSv2: 1.9) conduct impersonation attack
-(cve) CVE-2014-2532                         -- (CVSSv2: 5.8) bypass environment restrictions via specific string before wildcard
-(cve) CVE-2014-1692                         -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                         -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                         -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                         -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                         -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                         -- (CVSSv2: 7.5) bypass authentication check via crafted values
-
 # key exchange algorithms
 (kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                       `- [info] available since OpenSSH 4.4

test/docker/expected_results/openssh_5.6p1_test5.json

@@ -10,83 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames due to timing discrepancies",
-            "name": "CVE-2018-15473"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "readonly bypass via sftp",
-            "name": "CVE-2017-15906"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        },
-        {
-            "cvssv2": 5.5,
-            "description": "bypass command restrictions via crafted X11 forwarding data",
-            "name": "CVE-2016-3115"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via crafted network traffic (out of bounds read)",
-            "name": "CVE-2016-1907"
-        },
-        {
-            "cvssv2": 6.9,
-            "description": "privilege escalation via leveraging sshd uid",
-            "name": "CVE-2015-6564"
-        },
-        {
-            "cvssv2": 1.9,
-            "description": "conduct impersonation attack",
-            "name": "CVE-2015-6563"
-        },
-        {
-            "cvssv2": 5.8,
-            "description": "bypass environment restrictions via specific string before wildcard",
-            "name": "CVE-2014-2532"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "cause DoS via triggering error condition (memory corruption)",
-            "name": "CVE-2014-1692"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "leak data via debug messages",
-            "name": "CVE-2012-0814"
-        },
-        {
-            "cvssv2": 3.5,
-            "description": "cause DoS via large value in certain length field (memory consumption)",
-            "name": "CVE-2011-5000"
-        },
-        {
-            "cvssv2": 5.0,
-            "description": "cause DoS via large number of connections (slot exhaustion)",
-            "name": "CVE-2010-5107"
-        },
-        {
-            "cvssv2": 4.0,
-            "description": "cause DoS via crafted glob expression (CPU and memory consumption)",
-            "name": "CVE-2010-4755"
-        },
-        {
-            "cvssv2": 7.5,
-            "description": "bypass authentication check via crafted values",
-            "name": "CVE-2010-4478"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "aes128-ctr",

test/docker/expected_results/openssh_5.6p1_test5.txt

@@ -4,23 +4,6 @@
 (gen) compatibility: OpenSSH 5.6-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2018-15473                        -- (CVSSv2: 5.3) enumerate usernames due to timing discrepancies
-(cve) CVE-2017-15906                        -- (CVSSv2: 5.3) readonly bypass via sftp
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-(cve) CVE-2016-3115                         -- (CVSSv2: 5.5) bypass command restrictions via crafted X11 forwarding data
-(cve) CVE-2016-1907                         -- (CVSSv2: 5.0) cause DoS via crafted network traffic (out of bounds read)
-(cve) CVE-2015-6564                         -- (CVSSv2: 6.9) privilege escalation via leveraging sshd uid
-(cve) CVE-2015-6563                         -- (CVSSv2: 1.9) conduct impersonation attack
-(cve) CVE-2014-2532                         -- (CVSSv2: 5.8) bypass environment restrictions via specific string before wildcard
-(cve) CVE-2014-1692                         -- (CVSSv2: 7.5) cause DoS via triggering error condition (memory corruption)
-(cve) CVE-2012-0814                         -- (CVSSv2: 3.5) leak data via debug messages
-(cve) CVE-2011-5000                         -- (CVSSv2: 3.5) cause DoS via large value in certain length field (memory consumption)
-(cve) CVE-2010-5107                         -- (CVSSv2: 5.0) cause DoS via large number of connections (slot exhaustion)
-(cve) CVE-2010-4755                         -- (CVSSv2: 4.0) cause DoS via crafted glob expression (CPU and memory consumption)
-(cve) CVE-2010-4478                         -- (CVSSv2: 7.5) bypass authentication check via crafted values
-
 # key exchange algorithms
 (kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                       `- [info] available since OpenSSH 4.4

test/docker/expected_results/openssh_8.0p1_builtin_policy_test1.json

@@ -39,5 +39,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Hardened OpenSSH Server v8.0 (version 4)"
+    "policy": "Hardened OpenSSH Server v8.0 (version 4)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_builtin_policy_test2.json

@@ -62,5 +62,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Hardened OpenSSH Server v8.0 (version 4)"
+    "policy": "Hardened OpenSSH Server v8.0 (version 4)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test11.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test11 (version 1)"
+    "policy": "Docker policy: test11 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test12.json

@@ -39,5 +39,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test12 (version 1)"
+    "policy": "Docker policy: test12 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test13.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test13 (version 1)"
+    "policy": "Docker policy: test13 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test14.json

@@ -15,5 +15,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test14 (version 1)"
+    "policy": "Docker policy: test14 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test15.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test15 (version 1)"
+    "policy": "Docker policy: test15 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test16.json

@@ -82,5 +82,7 @@
     ],
     "host": "localhost",
     "passed": false,
-    "policy": "Docker policy: test16 (version 1)"
+    "policy": "Docker policy: test16 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test17.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test17 (version 1)"
+    "policy": "Docker policy: test17 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_custom_policy_test6.json

@@ -2,5 +2,7 @@
     "errors": [],
     "host": "localhost",
     "passed": true,
-    "policy": "Docker policy: test6 (version 1)"
+    "policy": "Docker policy: test6 (version 1)",
+    "port": 2222,
+    "warnings": []
 }

test/docker/expected_results/openssh_8.0p1_test1.json

@@ -10,28 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.0,
-            "description": "privilege escalation via supplemental groups",
-            "name": "CVE-2021-41617"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "memory corruption and local code execution via pre-authentication integer overflow",
-            "name": "CVE-2019-16905"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "chacha20-poly1305@openssh.com",
@@ -87,6 +66,16 @@
         }
     ],
     "fingerprints": [
+        {
+            "hash": "Q6Llm0o4TrcUen4tnT2h4BDf2f+ina6dIJmVH8c40bg",
+            "hash_alg": "SHA256",
+            "hostkey": "ecdsa-sha2-nistp256"
+        },
+        {
+            "hash": "cc:e0:80:84:5b:05:98:64:24:43:52:3b:17:c8:94:89",
+            "hash_alg": "MD5",
+            "hostkey": "ecdsa-sha2-nistp256"
+        },
         {
             "hash": "UrnXIVH+7dlw8UqYocl48yUEcKrthGDQG2CPCgp7MxU",
             "hash_alg": "SHA256",

test/docker/expected_results/openssh_8.0p1_test1.txt

@@ -4,12 +4,6 @@
 (gen) compatibility: OpenSSH 7.4+, Dropbear SSH 2020.79+
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2021-41617                        -- (CVSSv2: 7.0) privilege escalation via supplemental groups
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2019-16905                        -- (CVSSv2: 7.8) memory corruption and local code execution via pre-authentication integer overflow
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-
 # key exchange algorithms
 (kex) curve25519-sha256                     -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76
                                             `- [info] default key exchange from OpenSSH 7.4 to 8.9

test/docker/expected_results/openssh_8.0p1_test2.json

@@ -10,28 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.0,
-            "description": "privilege escalation via supplemental groups",
-            "name": "CVE-2021-41617"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "memory corruption and local code execution via pre-authentication integer overflow",
-            "name": "CVE-2019-16905"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "chacha20-poly1305@openssh.com",

test/docker/expected_results/openssh_8.0p1_test2.txt

@@ -4,12 +4,6 @@
 (gen) compatibility: OpenSSH 7.4+, Dropbear SSH 2020.79+
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2021-41617                        -- (CVSSv2: 7.0) privilege escalation via supplemental groups
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2019-16905                        -- (CVSSv2: 7.8) memory corruption and local code execution via pre-authentication integer overflow
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-
 # key exchange algorithms
 (kex) curve25519-sha256                     -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76
                                             `- [info] default key exchange from OpenSSH 7.4 to 8.9

test/docker/expected_results/openssh_8.0p1_test3.json

@@ -10,28 +10,7 @@
         "none",
         "zlib@openssh.com"
     ],
-    "cves": [
-        {
-            "cvssv2": 7.0,
-            "description": "privilege escalation via supplemental groups",
-            "name": "CVE-2021-41617"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "command injection via anomalous argument transfers",
-            "name": "CVE-2020-15778"
-        },
-        {
-            "cvssv2": 7.8,
-            "description": "memory corruption and local code execution via pre-authentication integer overflow",
-            "name": "CVE-2019-16905"
-        },
-        {
-            "cvssv2": 5.3,
-            "description": "enumerate usernames via challenge response",
-            "name": "CVE-2016-20012"
-        }
-    ],
+    "cves": [],
     "enc": [
         {
             "algorithm": "chacha20-poly1305@openssh.com",

test/docker/expected_results/openssh_8.0p1_test3.txt

@@ -4,12 +4,6 @@
 (gen) compatibility: OpenSSH 7.4+, Dropbear SSH 2020.79+
 (gen) compression: enabled (zlib@openssh.com)
 
-# security
-(cve) CVE-2021-41617                        -- (CVSSv2: 7.0) privilege escalation via supplemental groups
-(cve) CVE-2020-15778                        -- (CVSSv2: 7.8) command injection via anomalous argument transfers
-(cve) CVE-2019-16905                        -- (CVSSv2: 7.8) memory corruption and local code execution via pre-authentication integer overflow
-(cve) CVE-2016-20012                        -- (CVSSv2: 5.3) enumerate usernames via challenge response
-
 # key exchange algorithms
 (kex) curve25519-sha256                     -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76
                                             `- [info] default key exchange from OpenSSH 7.4 to 8.9

test/test_build_struct.py

@@ -36,7 +36,7 @@ def test_prevent_runtime_error_regression(ssh_audit, kex):
     kex.set_host_key("ssh-rsa7", b"\x00\x00\x00\x07ssh-rsa\x00\x00\x00", 1024, '', 0)
     kex.set_host_key("ssh-rsa8", b"\x00\x00\x00\x07ssh-rsa\x00\x00\x00", 1024, '', 0)
 
-    rv = ssh_audit.build_struct('localhost', None, [], kex=kex)
+    rv = ssh_audit.build_struct('localhost', None, kex=kex)
 
     assert len(rv["fingerprints"]) == (9 * 2)  # Each host key generates two hash fingerprints: one using SHA256, and one using MD5.
 

test/test_policy.py

@@ -52,6 +52,14 @@ class TestPolicy:
             version_str = " (version %s)" % BUILTIN_POLICIES[policy_name]['version']
             assert policy_name.endswith(version_str)
 
+            # Ensure version field is a string, but can be parsed as an integer.
+            version_field = BUILTIN_POLICIES[policy_name]['version']
+            assert type(version_field) is str
+            try:
+                int(version_field)
+            except ValueError:
+                assert False, "version field of %s policy is not parseable as an integer." % policy_name
+
             # Ensure no extra fields are present.
             assert len(required_fields) == len(BUILTIN_POLICIES[policy_name])
 

test/test_ssh1.py

@@ -139,7 +139,7 @@ class TestSSH1:
         self.audit(out, self._conf())
         out.write()
         lines = output_spy.flush()
-        assert len(lines) == 21
+        assert len(lines) == 13
 
     def test_ssh1_server_invalid_first_packet(self, output_spy, virtual_socket):
         vsocket = virtual_socket
@@ -154,7 +154,7 @@ class TestSSH1:
         out.write()
         assert ret != 0
         lines = output_spy.flush()
-        assert len(lines) == 14
+        assert len(lines) == 6
         assert 'unknown message' in lines[-1]
 
     def test_ssh1_server_invalid_checksum(self, output_spy, virtual_socket):

test/test_ssh2.py

@@ -165,7 +165,7 @@ class TestSSH2:
         self.audit(out, self._conf())
         out.write()
         lines = output_spy.flush()
-        assert len(lines) == 83
+        assert len(lines) == 78
 
     def test_ssh2_server_invalid_first_packet(self, output_spy, virtual_socket):
         vsocket = virtual_socket
@@ -179,7 +179,7 @@ class TestSSH2:
         out.write()
         assert ret != 0
         lines = output_spy.flush()
-        assert len(lines) == 9
+        assert len(lines) == 4
         assert 'unknown message' in lines[-1]
 
     def test_ssh2_gss_kex(self, output_spy, virtual_socket):

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
 	py{py3}-{test,pylint,flake8}
-	py{38,39,310,311,312}-{test,mypy,pylint,flake8}
+	py{38,39,310,311,312,313}-{test,mypy,pylint,flake8}
 	cov
 skip_missing_interpreters = true
 
@@ -9,10 +9,10 @@ skip_missing_interpreters = true
 deps =
 	test: pytest
 	test,cov: {[testenv:cov]deps}
-	test,py{38,39,310,311,312}-{type,mypy}: colorama
-	py{38,39,310,311,312}-{type,mypy}: {[testenv:mypy]deps}
-	py{py3,38,39,310,311,312}-{lint,pylint},lint: {[testenv:pylint]deps}
-	py{py3,38,39,310,311,312}-{lint,flake8},lint: {[testenv:flake8]deps}
+	test,py{38,39,310,311,312,313}-{type,mypy}: colorama
+	py{38,39,310,311,312,313}-{type,mypy}: {[testenv:mypy]deps}
+	py{py3,38,39,310,311,312,313}-{lint,pylint},lint: {[testenv:pylint]deps}
+	py{py3,38,39,310,311,312,313}-{lint,flake8},lint: {[testenv:flake8]deps}
 setenv =
 	SSHAUDIT = {toxinidir}/src
 	test: COVERAGE_FILE = {toxinidir}/.coverage.{envname}
@@ -24,9 +24,9 @@ commands =
 	test: coverage combine
 	test: coverage report --show-missing
 	test: coverage html -d {toxinidir}/reports/html/coverage.{envname}
-	py{38,39,310,311,312}-{type,mypy}: {[testenv:mypy]commands}
-	py{py3,38,39,310,311,312}-{lint,pylint},lint: {[testenv:pylint]commands}
-	py{py3,38,39,310,311,312}-{lint,flake8},lint: {[testenv:flake8]commands}
+	py{38,39,310,311,312,313}-{type,mypy}: {[testenv:mypy]commands}
+	py{py3,38,39,310,311,312,313}-{lint,pylint},lint: {[testenv:pylint]commands}
+	py{py3,38,39,310,311,312,313}-{lint,flake8},lint: {[testenv:flake8]commands}
 
 #ignore_outcome =
 #	type: true
@@ -96,6 +96,7 @@ disable =
         too-many-lines,
         too-many-locals,
         too-many-nested-blocks,
+        too-many-positional-arguments,
         too-many-return-statements,
         too-many-statements,
         consider-using-f-string