CVE-2011-4598 Information

Description

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2 when automon is enabled allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.

Reference

http://downloads.asterisk.org/pub/security/AST-2011-014.html http://openwall.com/lists/oss-security/2011/12/09/3 http://openwall.com/lists/oss-security/2011/12/09/4 http://osvdb.org/77598 http://secunia.com/advisories/47273 http://www.debian.org/security/2011/dsa-2367