CVE ID:	CVE-2013-5641
Description:	The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2013-5641 BugTraq ID: 62021 http://www.securityfocus.com/bid/62021 Bugtraq: 20130827 AST-2013-004: Remote Crash From Late Arriving SIP ACK With SDP (Google Search) http://archives.neohapsis.com/archives/bugtraq/2013-08/0175.html Bugtraq: 20130827 AST-2013-004: Remote Crash From Late Arriving SIP ACK With SDP (Google Search) http://seclists.org/bugtraq/2013/Aug/185 Debian Security Information: DSA-2749 (Google Search) http://www.debian.org/security/2013/dsa-2749 http://www.mandriva.com/security/advisories?name=MDVSA-2013:223 http://osvdb.org/96691 http://www.securitytracker.com/id/1028956 http://secunia.com/advisories/54534 http://secunia.com/advisories/54617