[ISR] - Barracuda Spam Firewall. Cross-Site Scripting

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|| [ISR]
|| || Infobyte Security Research
|| www.infobyte.com.ar
|| 09.21.2007
||

.:: SUMMARY

Barracuda Spam Firewall Cross-Site Scripting

Version: Barracuda Spam Firewall firmware v3.4.10.102
It is suspected that all previous versions of Barracuda Spam Firewall are
vulnerable.

.:: BACKGROUND

The Barracuda Spam Firewall is an integrated hardware and software solution
designed to protect your email server
from spam, virus, spoofing, phishing and spyware attacks.

More info: http://www.barracudanetworks.com

.:: DESCRIPTION

The Web Administration Console is vulnerable to a Pre-Auth Cross-Site
Scripting due to a failure of the application to properly
sanitize user-supplied input prior to including it in dynamically generated
web document when logging in with a username that
contains javascript injections and only while the "Monitor Web Syslog"
screen is open.

Example :

---

Inserting HTML/Javascript in the username form it will be injected, only if
an autheticated user has the "Monitor Web Syslog" open.

john@<script>alert("String")</script>.blah.com

.:: IMPACT
This can lead to credentials stealing.

.:: VENDOR RESPONSE

Vendor advisory:
"http://www.barracudanetworks.com/ns/support/tech_alert.php&quot;
Vendor patch:
Upgrade to Firmware 3.5.10.016

.:: DISCLOSURE TIMELINE

08/24/2007 Initial vendor notification
08/27/2007 Initial vendor response
09/06/2007 Fix released by vendor
09/21/2007 Coordinated public disclosure

.:: CREDIT

Federico Kirschbaum is credited with discovering this vulnerability.
fedek][at][infobyte][dot][com][dot][ar

.:: LEGAL NOTICES

Copyright (c) 2007 by [ISR] Infobyte Security Research.
Permission to redistribute this alert electronically is granted as long as
it is not
edited in any way unless authorized by Infobyte Security Research Response.
Reprinting the whole or part of this alert in any medium other than
electronically
requires permission from infobyte com ar

Disclaimer
The information in the advisory is believed to be accurate at the time of
publishing
based on currently available information. Use of the information
constitutes acceptance
for use in an AS IS condition. There are no warranties with regard to this
information.
Neither the author nor the publisher accepts any liability for any direct,
indirect, or
consequential loss or damage arising from use of, or reliance on, this
information.

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