{"id":"CVE-2013-5642","details":"The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.","modified":"2026-04-16T06:22:25.126771765Z","published":"2013-09-09T17:55:06Z","references":[{"type":"ADVISORY","url":"http://downloads.asterisk.org/pub/security/AST-2013-005.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/54534"},{"type":"ADVISORY","url":"http://secunia.com/advisories/54617"},{"type":"ADVISORY","url":"http://www.debian.org/security/2013/dsa-2749"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:223"},{"type":"FIX","url":"http://downloads.asterisk.org/pub/security/AST-2013-005.html"},{"type":"WEB","url":"http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html"},{"type":"WEB","url":"http://osvdb.org/96690"},{"type":"WEB","url":"http://www.securityfocus.com/bid/62022"},{"type":"WEB","url":"http://www.securitytracker.com/id/1028957"},{"type":"WEB","url":"https://issues.asterisk.org/jira/browse/ASTERISK-22007"}],"schema_version":"1.7.5"}