From: Tim Rühsen <tim.ruehsen@gmx.de>
Date: Wed, 9 Oct 2019 16:54:12 +0000 (+0200)
Subject: lib/x509/x509.c: Check before pointer dereference in get_alt_name()
X-Git-Tag: gnutls_3_6_11~32^2~2
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=21883fcb90dd35a2c4d8e8a005802667615fd345;p=thirdparty%2Fgnutls.git

lib/x509/x509.c: Check before pointer dereference in get_alt_name()

Fixes Coverity issue 1361513

Signed-off-by: Tim Rühsen <tim.ruehsen@gmx.de>
---

diff --git a/lib/x509/x509.c b/lib/x509/x509.c
index 776ca3e1e2..62e7abe8e9 100644
--- a/lib/x509/x509.c
+++ b/lib/x509/x509.c
@@ -1817,7 +1817,7 @@ get_alt_name(gnutls_subject_alt_names_t san,
 		goto cleanup;
 	}
 
-	if (othername_oid && type == GNUTLS_SAN_OTHERNAME) {
+	if (othername_oid && type == GNUTLS_SAN_OTHERNAME && ooid.data) {
 		unsigned vtype;
 		ret = gnutls_x509_othername_to_virtual((char*)ooid.data, &oname, &vtype, &virt);
 		if (ret >= 0) {