CVE-2009-0871

Published: Mar 11, 2009Modified: Apr 23, 2026

3.5

Vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

Exploitability: 6.8 / Impact: 2.9

Source: NVD

Description

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.

Affected (30)

Products: Digium: Asterisk

Digium

1 product

Asterisk

Configuration A

30 vulnerable

Vulnerable Software	Affected Versions
Digium Asterisk	Version 1.4.22
Digium Asterisk	Version 1.4.23.1
Digium Asterisk	Version 1.4.23
Digium Asterisk	Version 1.6.0.1
Digium Asterisk	Version 1.6.0.2
Digium Asterisk	Version 1.6.0.3
Digium Asterisk	Version 1.6.0.3 rc1
Digium Asterisk	Version 1.6.0.4 rc1
Digium Asterisk	Version 1.6.0.5
Digium Asterisk	Version 1.6.0
Digium Asterisk	Version 1.6.0 beta1
Digium Asterisk	Version 1.6.0 beta2
Digium Asterisk	Version 1.6.0 beta3
Digium Asterisk	Version 1.6.0 beta4
Digium Asterisk	Version 1.6.0 beta5
Digium Asterisk	Version 1.6.0 beta6
Digium Asterisk	Version 1.6.0 beta7.1
Digium Asterisk	Version 1.6.0 beta7
Digium Asterisk	Version 1.6.0 beta8
Digium Asterisk	Version 1.6.0 beta9
Digium Asterisk	Version 1.6.0 rc4
Digium Asterisk	Version 1.6.0 rc5
Digium Asterisk	Version 1.6.0 rc6
Digium Asterisk	Version 1.6.1
Digium Asterisk	Version 1.6.1 beta1
Digium Asterisk	Version 1.6.1 beta2
Digium Asterisk	Version 1.6.1 beta3
Digium Asterisk	Version 1.6.1 beta4
Digium Asterisk	Version 1.6.1 rc1
Digium Asterisk	Version c.2.3