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

ID VU:638376
Type cert
Reporter CERT
Modified 2006-10-25T00:00:00



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


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.


A remote attacker may be able to execute arbitrary code.


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


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

Systems Affected

Vendor| Status| Date Notified| Date Updated
Wireshark| | -| 24 Oct 2006
If you are a vendor and your product is affected, let us know.

CVSS Metrics

Group | Score | Vector
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | N/A | N/A


  • <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>


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
  • Date Public: 24 Aug 2006
  • Date First Published: 25 Oct 2006
  • Date Last Updated: 25 Oct 2006
  • Severity Metric: 4.92
  • Document Revision: 18