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Home >> Browse Vulnerability Assessment Database >> Denial of Service >> sipXtapi CSeq Field Header Denial of Service Vulnerability


Vulnerability Assessment Details

sipXtapi CSeq Field Header Denial of Service Vulnerability

Vulnerability Assessment Summary
Sends an SIP packet with a bad CSeq field

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote host contains an application that is vulnerable to a remote
buffer overflow attack.

Description :

The remote host is running a SIP user agent that appears to be
compiled using a version of SIP Foundry's SipXtapi library before
March 24, 2006. Such versions contain a buffer overflow flaw that is
triggered when processing a specially-crafted packet with a long value
for the 'CSeq' field. A remote attacker may be able to exploit this
issue to execute arbitrary code on the affected host subject to the
rights of the current user.

See also :

http://www.securityfocus.com/archive/1/439617/30/0/threaded
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047794.html

Solution :

Contact the software vendor to see if an upgrade is available.

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: 18906

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

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