Date published: 2014-11-24T10:59:07.327-05:00
Date last modified: 2014-11-25T15:11:09.300-05:00
CVSS Score: 5.0
Principal attack vector: NETWORK
Reference URL: http://downloads.asterisk.org/pub/security/AST-2014-015.html
Summary: Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a cancel request for a SIP session with a queued action to (1) answer a session or (2) send ringing.