CVEvulnerability

CVE-2007-3763

5.0 MEDIUM Published 2007-07-18 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2007-07-18
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

Description

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.

Affected configurations

• asterisk asterisk 1.0 • asterisk asterisk 1.0.6 • asterisk asterisk 1.0.7 • asterisk asterisk 1.0.8 • asterisk asterisk 1.0.9 • asterisk asterisk 1.0.10 • asterisk asterisk 1.0.11 • asterisk asterisk 1.0.12 • asterisk asterisk 1.2.0 beta1 • asterisk asterisk 1.2.0 beta2 • asterisk asterisk 1.2.5 • asterisk asterisk 1.2.6 • asterisk asterisk 1.2.7 • asterisk asterisk 1.2.8 • asterisk asterisk 1.2.9 • asterisk asterisk 1.2.10 • asterisk asterisk 1.2.11 • asterisk asterisk 1.2.12 • asterisk asterisk 1.2.13 • asterisk asterisk 1.2.14 • asterisk asterisk 1.2.15 • asterisk asterisk 1.2.16 • asterisk asterisk 1.2.17 • asterisk asterisk 1.4.1 • asterisk asterisk 1.4.2 • asterisk asterisk 1.4.4 2007-04-27 • asterisk asterisk 1.4 beta • asterisk asterisk a • asterisk asterisk b.1.3.2 • asterisk asterisk b.1.3.3 • asterisk asterisk b.2.2.0 • asterisk asterisk appliance developer kit (<= 0.4) • asterisk asterisknow beta 5 • asterisk asterisknow beta 6 • asterisk s800i appliance 1.0 • asterisk s800i appliance 1.0.1

References