GLSA-200606-15 : Asterisk: IAX2 video frame buffer overflow

This script is Copyright (C) 2006-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200606-15
(Asterisk: IAX2 video frame buffer overflow)

Asterisk fails to properly check the length of truncated video frames
in the IAX2 channel driver which results in a buffer overflow.

Impact :

An attacker could exploit this vulnerability by sending a specially
crafted IAX2 video stream resulting in the execution of arbitrary code
with the permissions of the user running Asterisk.

Workaround :

Disable public IAX2 support.

See also :

http://www.coresecurity.com/common/showdoc.php?idx=547&idxseccion=10
http://www.gentoo.org/security/en/glsa/glsa-200606-15.xml

Solution :

All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/asterisk-1.0.11_p1'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 21708 (gentoo_GLSA-200606-15.nasl)

Bugtraq ID:

CVE ID: CVE-2006-2898