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Fix a null-pointer dereference in ecdsa_verifysig.

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Bug found with the help of afl-fuzz.
This commit is contained in:
Ben Harris 2015-10-18 18:55:42 +01:00
parent af1460d6e5
commit 12702cb17e
1 changed files with 1 additions and 0 deletions
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sshecc.c
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@ -2268,6 +2268,7 @@ static int ecdsa_verifysig(void *key, const char *sig, int siglen,
} }
getstring(&sig, &siglen, &p, &slen); getstring(&sig, &siglen, &p, &slen);
if (!p) return 0;
if (ec->publicKey.curve->type == EC_EDWARDS) { if (ec->publicKey.curve->type == EC_EDWARDS) {
struct ec_point *r; struct ec_point *r;
Bignum s, h; Bignum s, h;