openssl/openssl-0.9.8g-cve-2008-1671.patch

   1 *) Fix flaw if 'Server Key exchange message' is omitted from a TLS
   2 Handshake which could lead to a cilent crash as found using the
   3 Codenomicon TLS test suite (CVE-2008-1672) [Steve Henson, Mark Cox]
   4 Index: ssl/s3_clnt.c
   5 ===================================================================
   6 RCS file: /e/openssl/cvs/openssl/ssl/s3_clnt.c,v
   7 retrieving revision 1.88.2.12
   8 diff -u -r1.88.2.12 ssl/s3_clnt.c
   9 --- ssl/s3_clnt.c 3 Nov 2007 13:07:39 -0000
  10 +++ ssl/s3_clnt.c 22 May 2008 09:19:30 -0000
  11 @@ -2061,6 +2061,13 @@
  12                         {
  13                         DH *dh_srvr,*dh_clnt;
  14
  15 +                        if (s->session->sess_cert == NULL)
  16 +                                {
  17 +                                ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
  18 +                                SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE);
  19 +                                goto err;
  20 +                                }
  21 +
  22                         if (s->session->sess_cert->peer_dh_tmp != NULL)
  23                                 dh_srvr=s->session->sess_cert->peer_dh_tmp;
  24                         else