diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2014-05-29 15:00:05 +0100 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2014-06-03 16:30:37 +0100 |
| commit | 8250e1b232fdd89b2b231f97ec3ed2df9c89d500 (patch) | |
| tree | 111347f4920efddf26ca1a0db65bc5d3e6052a02 /ssl | |
| parent | 519c977c47b30d5ca24000b146c0e0bbb360279e (diff) | |
Fix CVE-2014-3470
Check session_cert is not NULL before dereferencing it.
Diffstat (limited to 'ssl')
| -rw-r--r-- | ssl/s3_clnt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c index 450d559285..83d6ede3f7 100644 --- a/ssl/s3_clnt.c +++ b/ssl/s3_clnt.c @@ -2302,6 +2302,13 @@ int ssl3_send_client_key_exchange(SSL *s) int ecdh_clnt_cert = 0; int field_size = 0; + if (s->session->sess_cert == NULL) + { + ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE); + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE); + goto err; + } + /* Did we send out the client's * ECDH share for use in premaster * computation as part of client certificate? |