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Fix DTLS anonymous EC(DH) denial of service

Browse source 
CVE-2014-3510

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
This commit is contained in:
Emilia Käsper 2014-07-24 22:15:29 +02:00 committed by Matt Caswell
parent 280b1f1ad1
commit 1716003376
1 changed files with 7 additions and 0 deletions
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7
ssl/s3_clnt.c
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@ -2385,6 +2385,13 @@ int ssl3_send_client_key_exchange(SSL *s)
RSA *rsa;
unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
if (s->session->sess_cert == NULL)
{
/* We should always have a server certificate with SSL_kRSA. */
SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
goto err;
}
if (s->session->sess_cert->peer_rsa_tmp != NULL)
rsa=s->session->sess_cert->peer_rsa_tmp;
else