Snitz Forums 2000 vulnerable to cross-site scripting via crafted IMG tag

Overview

Snitz Forums 2000 does not adequately check “IMG” tag “SRC” attributes and thus contains cross-site scripting vulnerability.

Description

Snitz Forums is an automated bulletin-board program for web sites. Snitz Forums allows users to submit images by specifying the URL of the image. In versions 3.3.03 and earlier of Snitz Forums, the program does not check the image URL to make sure that it does not contain JavaScript code. The program may then serve the script to any user viewing the post, where the JavaScript may be executed to perform unauthorized commands as the viewing user.

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Impact

An attacker may perform arbitrary commands with the privileges and identity of other users of the Snitz Forums installation.

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Solution

Upgrade to version 3.3.04 or later of Snitz Forums 2000. For more information, see

<http://forum.snitz.com/forum/link.asp?TOPIC_ID=23660&gt;

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Vendor Information

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Snitz Communications __ Affected

Notified: April 17, 2002 Updated: June 12, 2002

Status

Affected

Vendor Statement

<http://forum.snitz.com/forum/link.asp?TOPIC_ID=23660&gt;

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](<mailto:[email protected]?Subject=VU%23132011 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.securityfocus.com/bid/4192&gt;
• <http://forum.snitz.com/forum/link.asp?TOPIC_ID=23660&gt;
• <http://www.snitz.com/&gt;

Acknowledgements

Thanks to Joshua Hiller for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs:	CVE-2002-0329
Severity Metric:	3.78 Date Public: