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

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 40a2200d89
commit 1d7d0ed9c2
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ssl/s3_clnt.c
View File

@ -2362,6 +2362,13 @@ int ssl3_send_client_key_exchange(SSL *s)
RSA *rsa; RSA *rsa;
unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH]; 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) if (s->session->sess_cert->peer_rsa_tmp != NULL)
rsa=s->session->sess_cert->peer_rsa_tmp; rsa=s->session->sess_cert->peer_rsa_tmp;
else else