CVE-2012-3812 - Word perfect Ladybird

Description

Double free vulnerability in apps/app_voicemail.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2 Certified Asterisk 1.8.11-certx before 1.8.11-cert4 and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones allows remote authenticated users to cause a denial of service (daemon crash) by establishing multiple voicemail sessions and accessing both the Urgent mailbox and the INBOX mailbox.

Reference

https://issues.asterisk.org/jira/browse/ASTERISK-20052 http://downloads.asterisk.org/pub/security/AST-2012-011.html http://www.debian.org/security/2012/dsa-2550 http://www.securityfocus.com/bid/54317 http://secunia.com/advisories/50756 http://secunia.com/advisories/50687