Mark Crowther has reported a vulnerability in Barracuda Spam Firewall, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "email" parameter in cgi-bin/ldap_test.cgi is not properly sanitised before being returned to a user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerability is reported in Barracuda Spam Firewall 600 with firmware version 3.5.11.020. Other versions may also be affected.

Solution
Update to firmware version 3.5.11.025 (2008-05-16).

Provided and/or discovered by
Mark Crowther, Information Risk Management Plc.

Original Advisory
Barracuda Networks:
http://www.barracudanetworks.com/ns/support/tech_alert.php

Information Risk Management Plc.:
http://www.irmplc.com/index.php/168-Advisory-027

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