Commit a5362db4 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Fix CVE-2014-3470 

Check session_cert is not NULL before dereferencing it.
(cherry picked from commit 8011cd56)
parent d86689e1

ssl/s3_clnt.c

+7 −0
Original line number Diff line number Diff line
@@ -2712,6 +2712,13 @@ 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?