From: Mark Andrews <marka@isc.org>
Date: Wed, 15 Feb 2017 01:18:51 +0000 (+1100)
Subject: 4575.   [security]      Dns64 with break-dnssec yes; can result in a
X-Git-Tag: v9.9.9-P8~21
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=0736783ad9c2f89d1678737102e2f5d67606c166;p=thirdparty%2Fbind9.git

4575.   [security]      Dns64 with break-dnssec yes; can result in a
                        assertion failure. (CVE-2017-3136) [RT #44653]

(cherry picked from commit 3bce12e4b6d37f570ffc7747b499f8b90e8521ac)
---

diff --git a/CHANGES b/CHANGES
index 50613d34bee..aed7848c373 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+4575.	[security]	Dns64 with break-dnssec yes; can result in a
+			assertion failure. (CVE-2017-3136) [RT #44653]
+
 4564.	[maint]		Update the built in managed keys to include the
 			upcoming root KSK. [RT #44579]
 			
diff --git a/bin/named/query.c b/bin/named/query.c
index ecfe1a81ab2..e09579bbad8 100644
--- a/bin/named/query.c
+++ b/bin/named/query.c
@@ -7544,6 +7544,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
 			result = query_dns64(client, &fname, rdataset,
 					     sigrdataset, dbuf,
 					     DNS_SECTION_ANSWER);
+			noqname = NULL;
 			dns_rdataset_disassociate(rdataset);
 			dns_message_puttemprdataset(client->message, &rdataset);
 			if (result == ISC_R_NOMORE) {