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

ID VU:638376
Type cert
Reporter CERT
Modified 2006-10-25T17:14:00



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.

Vendor Information


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__ Wireshark

Updated: October 24, 2006


__ Vulnerable

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

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


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.

CVSS Metrics

Group | Score | Vector
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | | 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
Severity Metric:** | 4.92
Date Public:
| 2006-08-24
Date First Published: | 2006-10-25
Date Last Updated: | 2006-10-25 17:14 UTC
Document Revision: | 18