{"id":"UBUNTU-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connection description in a SIP request.","modified":"2025-07-16T07:47:36.772707Z","published":"2013-09-09T17:55:00Z","withdrawn":"2025-07-18T16:42:56Z","upstream":["CVE-2013-5642"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-5642"},{"type":"REPORT","url":"http://downloads.asterisk.org/pub/security/AST-2013-005.html"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2013/08/28"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-5642"}],"affected":[{"package":{"name":"asterisk","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/asterisk@1:11.7.0~dfsg-1ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:11.7.0~dfsg-1ubuntu1"}]}],"versions":["1:1.8.13.1~dfsg-3ubuntu3","1:11.6.0~dfsg-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"asterisk","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-config","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-dahdi","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-dbg","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-dev","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-doc","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-mobile","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-modules","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-mp3","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-mysql","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-ooh323","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-voicemail","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-voicemail-imapstorage","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-voicemail-odbcstorage","binary_version":"1:11.7.0~dfsg-1ubuntu1"},{"binary_name":"asterisk-vpb","binary_version":"1:11.7.0~dfsg-1ubuntu1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-5642.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}