Vulnerability Note VU#723736

Wireshark contains an unspecified vulnerability in the XOT dissector

Overview

Wireshark contains a vulnerability in the XOT dissector that may cause the application to crash.

I. Description

Wireshark contains a vulnerability in the XOT dissector that may allow the application to allocate a large amount of memory and cause the application to crash. This vulnerability may be exploited when a remote attacker sends a specially crafted, malformed packet or by convincing the user to read a malformed packet trace file.

Wireshark states that Wireshark version 0.99.3 is affected by this vulnerability.

Note: Ethereal has changed its name to Wireshark.

II. Impact

A remote attacker may be able to cause a denial-of-service condition.

III. Solution

Update

Wireshark has released an updated product version (Wireshark 0.99.4).
Workaround

Wireshark provides a workaround in security document wnpa-sec-2006-03.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Wireshark	Vulnerable	6-Nov-2006

References

http://www.wireshark.org/security/wnpa-sec-2006-03.html
http://www.securityfocus.com/bid/20762
http://secunia.com/advisories/22590
http://secunia.com/advisories/22659/
http://secunia.com/advisories/22672/
http://secunia.com/advisories/22692/
http://secunia.com/advisories/22797/
http://secunia.com/advisories/22841/
http://secunia.com/advisories/22929/

Credit

This vulnerability was reported in Wireshark document wnpa-sec-2006-03.

This document was written by Katie Steiner.

Other Information

Date Public:	2006-10-27
Date First Published:	2006-11-30
Date Last Updated:	2006-12-20
CERT Advisory:
CVE-ID(s):	CVE-2006-4805
NVD-ID(s):	CVE-2006-4805
US-CERT Technical Alerts:
Metric:	0.00
Document Revision:	18

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

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