generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Check SRP parameters early.

Browse Source 
Check SRP parameters when they are received so we can send back an
appropriate alert.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
This commit is contained in:
Dr. Stephen Henson
2014-08-03 21:25:22 +01:00
committed by Matt Caswell
parent 4a23b12a03
commit 0989790b87
6 changed files with 54 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
ssl/s3_srvr.c
View File

@@ -2929,6 +2929,13 @@ int ssl3_get_client_key_exchange(SSL *s)
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_BN_LIB);
goto err;
}
if (BN_ucmp(s->srp_ctx.A, s->srp_ctx.N) >= 0
|| BN_is_zero(s->srp_ctx.A))
{
al=SSL_AD_ILLEGAL_PARAMETER;
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BAD_SRP_PARAMETERS);
goto f_err;
}
if (s->session->srp_username != NULL)
OPENSSL_free(s->session->srp_username);
s->session->srp_username = BUF_strdup(s->srp_ctx.login);