Vulnerability Note VU#638376

Wireshark contains multiple off-by-one errors in the IPSec ESP preference parser

Overview

Wireshark contains a vulnerability in the IPSec ESP preference parser that may cause a denial of service condition.

I. Description

Wireshark contains multiple off-by-one vulnerabilities in the IPSec ESP preference parser when the application has been compiled with ESP decryption support.

This vulnerability may be exploited when the remote attacker sends a specially crafted, malformed packet over the wire or by convincing the user to read a malformed packet trace file.

Wireshark states that Wireshark Version 0.99.2 is affected.

Note: Ethereal has changed its name to Wireshark.

II. Impact

A remote attacker may be able to execute arbitrary code.

III. Solution

Update

Wireshark has released an updated product version. (Wireshark 0.99.3)

Workaround

Wireshark provides a workaround in security document wnpa-sec-2006-02.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Wireshark	Vulnerable	24-Oct-2006

References

http://www.wireshark.org/security/wnpa-sec-2006-02.html
http://www.securityfocus.com/bid/19690
http://www.frsirt.com/english/advisories/2006/3370
http://securitytracker.com/id?1016736
http://secunia.com/advisories/21597
http://secunia.com/advisories/21649
http://secunia.com/advisories/21619
http://secunia.com/advisories/21682
http://secunia.com/advisories/21885
http://xforce.iss.net/xforce/xfdb/28553

Credit

This vulnerability was reported in Wireshark document wnpa-sec-2006-02.

This document was written by Katie Steiner.

Other Information

Date Public:	2006-08-24
Date First Published:	2006-10-25
Date Last Updated:	2006-10-25
CERT Advisory:
CVE-ID(s):	CVE-2006-4331
NVD-ID(s):	CVE-2006-4331
US-CERT Technical Alerts:
Metric:	4.92
Document Revision:	18

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Produced 2006 by US-CERT, a government organization
Disclaimers and copyright information

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