CVE

CVE-2007-3763

Severity:
Pending analysis
Type:
Unavailable / Other
Publication date:
18/07/2007
Last modified:
08/03/2011

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:asterisk:asterisk:1.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.10:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.0_beta1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.0_beta2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:1.2.9:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools