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Home >> Browse Vulnerability Assessment Database >> Gain root remotely >> Asterisk chan_skinny Channel Driver Heap Overflow Vulnerability

Vulnerability Assessment Details

Asterisk chan_skinny Channel Driver Heap Overflow Vulnerability

Vulnerability Assessment Summary
Sends a special packet to Asterisk's chan_skinny channel driver

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote server is affected by a heap overflow vulnerability.

Description :

The chan_skinny channel driver included in the version of Asterisk
installed on the remote host does not properly validate the length
header in incoming packets. An unauthenticated remote attacker may be
able to leverage this flaw to execute code on the affected host
subject to the rights under which Asterisk runs, generally root.

See also :

http://www.securityfocus.com/archive/1/449127/30/0/threaded
http://www.asterisk.org/node/109

Solution :

Either disable the chan_skinny channel driver or upgrade to Asterisk
1.2.13 or later.

Network Security Threat Level:

High / CVSS Base Score : 7.0
(AV:R/AC:L/Au:NR/C:P/I:P/A:P/B:N)

Networks Security ID: 20617

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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