[patch] openssl-0.9.8g-CVE-2008-0891.patch

openssl-0.9.8g-CVE-2008-0891.patch (text/plain), 1.21 KB, created by Robert Buchholz (RETIRED) on 2008-05-26 11:13:04 UTC

Index: CHANGES
===================================================================
RCS file: /e/openssl/cvs/openssl/CHANGES,v
retrieving revision 1.1238.2.86
diff -u -r1.1238.2.86 CHANGES
--- CHANGES	28 Feb 2008 13:35:58 -0000	1.1238.2.86
+++ CHANGES	18 Mar 2008 12:06:57 -0000
@@ -4,6 +4,9 @@
 
  Changes between 0.9.8g and 0.9.8h  [xx XXX xxxx]
 
+  *) Fix double free in TLS server name extensions which could lead to a remote
+     crash found by Codenomicon TLS test suite (CVE-2008-0891) [Joe Orton]
+
   *) Fix BN flag handling in RSA_eay_mod_exp() and BN_MONT_CTX_set()
      to get the expected BN_FLG_CONSTTIME behavior.
      [Bodo Moeller (Google)]
Index: ssl/t1_lib.c
===================================================================
RCS file: /e/openssl/cvs/openssl/ssl/t1_lib.c,v
retrieving revision 1.13.2.8
diff -u -r1.13.2.8 t1_lib.c
--- ssl/t1_lib.c	18 Oct 2007 11:39:11 -0000	1.13.2.8
+++ ssl/t1_lib.c	18 Mar 2008 12:06:58 -0000
@@ -381,6 +381,7 @@
 						s->session->tlsext_hostname[len]='\0';
 						if (strlen(s->session->tlsext_hostname) != len) {
 							OPENSSL_free(s->session->tlsext_hostname);
+							s->session->tlsext_hostname = NULL;
 							*al = TLS1_AD_UNRECOGNIZED_NAME;
 							return 0;
 						}