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CERT Coordination Center

Cayman gateways vulnerable to a denial of service via oversized ICMP echo (ping) requests.

Vulnerability Note VU#104823

Original Release Date: 2001-08-27 | Last Revised: 2001-08-27


Cayman gateways vulnerable to a denial of service via oversized ICMP echo (ping) requests. Installing the newest version of the vendor software will resolve this vulnerability.


Cayman gateways running versions 5.5 Build R0, 5.3 Build R2, 5.3 Build R1 are vulnerable to an oversized ICMP echo (ping) request. By sending an oversized ping packet to the gateway, it is possible to crash various services resulting in a denial of service.


Exploiting this vulnerability results in a denial of service.


Upgrade to the latest vendor software release.

Vendor Information

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Notified:  July 27, 2001 Updated:  August 21, 2001



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.


The CERT/CC has no additional comments at this time.

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



This vulnerability was discovered by Cassius.

This document was written by Jason Rafail.

Other Information

CVE IDs: CVE-2000-0418
Severity Metric: 1.41
Date Public: 2000-05-23
Date First Published: 2001-08-27
Date Last Updated: 2001-08-27 14:51 UTC
Document Revision: 11

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