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WebBoard does not adequately validate user input thereby permitting arbitrary JavaScript execution

Vulnerability Note VU#255915

Original Release Date: 2002-09-27 | Last Revised: 2003-09-23

Overview

WebBoard does not adequately validate user input, allowing attackers to execute arbitrary JavaScript code on other WebBoard users' systems.

Description

WebBoard is a web application which includes a real-time chat server, using JavaScript alerts to display messages received by other users. WebBoard does not adequately filter messages sent through the chat server, allowing attackers to execute arbitrary JavaScript code on other users' systems.

Impact

Attackers can execute arbitrary JavaScript code on other WebBoard client users' systems.

Solution

Upgrade

Upgrade to WebBoard version 4.2, available at:

ftp://ftp.chatspace.com/wb/support/software/webboard/webboard_4/windows_edition_msdesql/webboard42.zip

Vendor Information

255915
 
Expand all

Akiva Affected

Notified:  September 25, 2002 Updated: September 22, 2003

Status

Affected

Vendor Statement

As of the release of version 6.0 of the WebBoard product, all support and development of the WebBoard 4 product has been dropped. At this time, users who are having security problems with WebBoard 4 installations are encouraged to go to:

and download the most recent security update.

Vendor Information

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

Addendum

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

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Environmental

References

http://www.securityfocus.com/bid/2814

Acknowledgements

Thanks to Helmuth Antholzer for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs: CVE-2001-0743
Severity Metric: 2.57
Date Public: 2001-06-02
Date First Published: 2002-09-27
Date Last Updated: 2003-09-23 02:34 UTC
Document Revision: 3

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