National Cyber Awareness System

Vulnerability Summary for CVE-2007-3763

Overview

The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: http://ftp.digium.com/pub/asa/ASA-2007-015.pdf

Type: Advisory; Patch Information

Hyperlink:http://ftp.digium.com/pub/asa/ASA-2007-015.pdf

External Source: VUPEN

Name: ADV-2007-2563

Hyperlink:http://www.vupen.com/english/advisories/2007/2563

External Source: SECTRACK

Name: 1018407

Hyperlink:http://www.securitytracker.com/id?1018407

External Source: BID

Name: 24950

Hyperlink:http://www.securityfocus.com/bid/24950

External Source: SUSE

Name: SUSE-SR:2007:015

Hyperlink:http://www.novell.com/linux/security/advisories/2007_15_sr.html

External Source: DEBIAN

Name: DSA-1358

Hyperlink:http://www.debian.org/security/2007/dsa-1358

External Source: GENTOO

Name: GLSA-200802-11

Hyperlink:http://security.gentoo.org/glsa/glsa-200802-11.xml

External Source: SECUNIA

Name: 29051

Hyperlink:http://secunia.com/advisories/29051

External Source: SECUNIA

Name: 26099

Hyperlink:http://secunia.com/advisories/26099

External Source: CONFIRM

Name: http://bugs.gentoo.org/show_bug.cgi?id=185713

Hyperlink:http://bugs.gentoo.org/show_bug.cgi?id=185713