CVE-2007-3763

    Dashboard / Vulnerabilities / CVE-2007-3763

    CVE-2007-3763

    Published: 18 Jul 2007Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    References: http://ftp.digium.com/pub/asa/ASA-2007-015.pdf, http://secunia.com/advisories/26099, http://secunia.com/advisories/29051, http://security.gentoo.org/glsa/glsa-200802-11.xml, http://www.debian.org/security/2007/dsa-1358, http://www.novell.com/linux/security/advisories/2007_15_sr.html, http://www.vupen.com/english/advisories/2007/2563, http://ftp.digium.com/pub/asa/ASA-2007-015.pdf, http://bugs.gentoo.org/show_bug.cgi?id=185713, http://www.securityfocus.com/bid/24950, http://www.securitytracker.com/id?1018407

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High