CVE Numbers: CVE-2008-0971
Vulnerabilities: Multiple Cross-Site Scripting (Persistent & Reflected)
Risk: Medium
Attack vector: From Remote
Vulnerabilities Discovered: 16th June 2008
Vendor Notified: 16th June 2008
Advisory Released: 15th December 2008
Abstract
Barracuda Networks Message Archiver product is vulnerable to persistent and
reflected Cross-Site Scripting (XSS) attacks. Barracuda Spam Firewall, IM
Firewall and Web Filter products are vulnerable to multiple reflected XSS
attacks. When exploited by an authenticated user, the identified
vulnerabilities can lead to Information Disclosure, Session Hijack,
access to Intranet available servers, etc.
Description
The index.cgi resource was identified as being susceptible to multiple
persistent and reflected Cross Site Scripting (XSS)
attacks.
a. Persistent XSS in Barracuda Message Archiver
In Search Based Retention Policy, the Policy Name field allows persistent XSS
when set to something like policy_name" onblur="alert('xss')
b. Reflected XSS in Barracuda Message Archiver
Setting various parameters in IP Configuration, Administration, Journal
Accounts, Retention Policy, and GroupWise Sync allow
reflected XSS attacks.
c. Reflected XSS in Barracuda Spam Firewall, IM Firewall and Web Filter
· User provided input is not sanitised when displayed as part of error
messages - identified in all verified products.
· User provided input is not sanitised when used to perform various searches
- identified in Barracuda Web Filter.
· Manipulation of HTML INPUT hidden elements - identified in all verified
products.
e.g auth_type INPUT hidden element allows a reflected XSS attack when set to
something like
Local"><script>alert('xss')</script>
Original Advisory:
http://dcsl.ul.ie/advisories/03.htm
Barracuda Networks Technical Alert
http://www.barracudanetworks.com/ns/support/tech_alert.php
Affected Versions
Barracuda Message Archiver (Firmware v1.1.0.010, Model 350)
Barracuda Spam Firewall (Firmware v3.5.11.020, Model 600)
Barracuda Web Filter (Firmware v3.3.0.038, Model 910)
Barracuda IM Firewall (Firmware v3.0.01.008, Model 420)
Other models/firmware versions might be affected.
Mitigation
Vendor recommends upgrading to the following firmware version:
Barracuda Message Archiver Release 1.2.1.002 (2008-07-22)
Barracuda Spam Firewall Release 3.5.12.007 (2008-10-24)
Barracuda Web Filter Release 3.3.0.052 (2008-08-04)
Barracuda IM Firewall Release 3.1.01.017 (2008-07-02)
Barracuda Load Balancer Release 2.3.024 (2008-10-20)
Alternatively, please contact Barracuda Networks for technical support.
Credits
Dr. Marian Ventuneac, marian.ventun...@ul.ie
Data Communication Security Laboratory, Department of Electronic & Computer
Engineering, University of Limerick
Disclaimer
Data Communication Security Laboratory releases this information with the
vendor acceptance. DCSL is not responsible for any malicious application of the
information presented in this advisory.
