Asterisk Remote Crash Vulnerability in Skinny Channel Driver (AST-2012-008)

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.

Synopsis :

The version of Asterisk installed on the remote host may be affected
by a denial of service vulnerability.

Description :

According to the version in its SIP banner, the version of Asterisk
running on the remote host is potentially affected by a vulnerability
that could allow a remote attacker to crash the server. This issue
could be exploited when the attacker has a valid SCCP (Skinny) ID and
closes a connection when in certain call states. A NULL pointer is
left behind and can cause the server to crash when the pointer is
later dereferenced.

See also :

Solution :

Upgrade to Asterisk / 10.4.1 / 1.8.11-cert-2 or apply the
patches listed in the Asterisk advisory.

Risk factor :

Low / CVSS Base Score : 3.5
CVSS Temporal Score : 2.6
Public Exploit Available : false

Family: Misc.

Nessus Plugin ID: 59504 ()

Bugtraq ID: 53723

CVE ID: CVE-2012-2948