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.

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.

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Impact

A remote attacker may be able to execute arbitrary code.

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Solution

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

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Workaround

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

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Vendor Information

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Wireshark __ Affected

Updated: October 24, 2006

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see Wireshark security document wnpa-sec-2006-02 for further information.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23638376 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

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

Acknowledgements

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

This document was written by Katie Steiner.

Other Information

CVE IDs:	CVE-2006-4331
Severity Metric:	4.92 Date Public: