CVE-2012-3863

https://notcve.org/view.php?id=CVE-2012-3863

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses. Asterisk Open Source v1.8.x anterior a v1.8.13.1 y v10.x anterior a v10.5.2, Asterisk Business Edition vC.3.x anterior a vC.3.7.5, Certified Asterisk v1.8.11-certx anterior a v1.8.11-cert4, y Asterisk Digiumphones v10.x.x-digiumphones anterior a v10.5.2-digiumphones no maneja una respuesta provisional a una petición SIP reINVITE de forma adecuada, lo que permite a atacantes remotos autenticados provocar una denegación de servicio (agotamiento de puerto RTP) a través de sesiones que carecen de repuestas finales. • http://downloads.asterisk.org/pub/security/AST-2012-010.html http://secunia.com/advisories/50687 http://secunia.com/advisories/50756 http://www.debian.org/security/2012/dsa-2550 http://www.securityfocus.com/bid/54327 https://issues.asterisk.org/jira/browse/ASTERISK-19992 • CWE-399: Resource Management Errors •