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WebTitan Appliance v3.50.x - Multiple Web Vulnerabilities
From: "research () vulnerability-lab com" <research () vulnerability-lab com>
Date: Mon, 16 Jan 2012 13:36:59 +0100

Title:
======
WebTitan Appliance v3.50.x - Multiple Web Vulnerabilities


Date:
=====
2012-01-13


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=89


VL-ID:
=====
89


Introduction:
=============
WebTitan is a complete internet monitoring software (web filter) which provides organisations protection for their data 
from malware 
and other internet threats such as viruses, spyware and phishing as well as providing user policy browsing tools to 
ensure corporate 
internet policy is adhered to.
Feature Set

    * Includes proxy server and cache
    * URL Filtering – 53 predefined categories, customizable category creation
    * Granular policy engine based on users and groups
    * Content control
    * Application controls
    * Includes Anti-virus Protection
    * Simple download and installation process
    * Plug and Play solution
    * Highly Effective web filtering capabilities
    * ISO and VMware® options
    * Easy to set up - Up and running in 30 minutes
    * Web based administrative GUI
    * Multiple automated reports for entire user activity
    * Automated updating including URL filters, anti-virus, version releases and system backup
    * LDAP integration

(Copy of the Vendor Website: http://www.webtitan.com/products)


Abstract:
=========
Vulnerability Lab Team discovered multiple persistent Input Validation vulnerabilities on the WebTitan Appliance.


Report-Timeline:
================
2011-09-17:     Vendor Notification
2012-01-14:     Public or Non-Public Disclosure


Status:
========
Published


Affected Products:
==================
Copperfasten Technologies
Product: WebTitan Appliance Application v3.50.x


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


Severity:
=========
High


Details:
========
Multiple persistent input validation vulnerabilities are detected on the Webtitans Application 3.50x. 
The vulnerability allows privileged user accounts to inject malicious persistent script code to manipulate application 
requests.
Successful exploitation can result in session hijacking, account steal, persistent exploitation & persistent context 
manipulation.

Vulnerable Module(s):
                                                [+] NTP Server (Display)
                                                [+] Extensions / Execute Files
                                                [+] Setup Time
                                                [+] Categories Add/Edit
                                                [+] Add URL


Picture(s):
                                                ../ive1.png
                                                ../ive2.png
                                                ../ive3.png


Proof of Concept:
=================
The vulnerabilities can be exploited by remote attackers or local low privileged user accounts.
For demonstration or reproduce ...


Code Review:  NTP Servers

<tbody><tr> <td colspan="4" align="center" bgcolor="#a8a8a8"> </td> </tr><tr class="even" id="ntpservers_row_1">
<td width="1%" nowrap="nowrap">1</td><td align="left" width="100%" nowrap="nowrap">pool.ntp.org</td><td class="action" 
nowrap="nowrap"><img class="imgbutton" alt="Delete" title="Delete" src="imgs/delete.png" 
onclick="nList.updateList('ntpservers',
 0, '1', 'pool.ntp.org');"></td></tr><tr classname="even" class="even" id="ntpservers_row_2"><td width="1%">2</td>
<td>>"<INCLUDE PERSISTENT SCRIPTCODE HERE!></iframe> </td><td classname="action" class="action"><img 
onclick="simpleList.prototype.
updateList('ntpservers', 0, '2');" src="imgs/delete.png" title="Delete" alt="Delete" 
class="imgbutton"></td></tr></tbody>


Code Review: Categories - URL

<tbody><tr id="row_name"><td class="dialogLabel">Category name:</td>
                        <td> <input classname="" class="" name="name" id="name" style="width: 300px;" value="" 
type="text"> </td>
</tr><tr id="row_description"><td class="dialogLabel">Description:</td>
                        <td> <input classname="" class="" name="description" id="description" style="width: 300px;" 
value="" type="text"> </td>
</tr><tr id="row_urls"><td class="dialogLabel" valign="top">URLs:</td> <td valign="top">
                        <table bgcolor="#e8e8e8" cellpadding="0">
                                <tbody><tr>
                                <td> <input classname="" class="" name="urls_entry" style="width: 215px;" 
id="urls_entry" type="text"> </td>
                                <td> <input class="button" name="urls_button" value="Add" 
onclick="urlList.updateList('urls', 1, 'Invalid URL');" 
style="width: 85px;" id="urls_button" type="button">
                                </td>
                                </tr><tr>
                                <td colspan="2" style="width: 300px;">
                                        <table class="slist" id="urls_table">
                                                <tbody><tr> <td colspan="4" align="center" bgcolor="#a8a8a8"> </td> 
</tr>                   
<tr classname="even" class="even" id="urls_row_1"><td width="1%">1</td><td>>"<INCLUDE PERSISTENT SCRIPTCODE 
HERE!></td><td 
classname="action" class="action"><img onclick="simpleList.prototype.updateList('urls', 0, '1');" src="imgs/delete.png" 
title="
Delete" alt="Delete" class="imgbutton"></td></tr></tbody></table></td></tr>
                </tbody></table></td></tr>
<tr id="row_sl1"><td colspan="3"><hr></td></tr><tr style="display: none;" class="error" id="row_categoryErr">
<td colspan="3" class="error"><span id="categoryErr_Msg">test<span></span></span></td></tr></tbody>



Code Review: Extension

<tr class="odd" id="exeext_row_4">
                                        <td width="1%" nowrap="nowrap">4</td>

<td align="left" width="100%" nowrap="nowrap">scr</td><td class="action" nowrap="nowrap"><img class="imgbutton" 
alt="Delete" title="Delete" src="imgs/delete.png" onclick="exeext.updateList('exeext', 0, '4', 'scr');"></td>          
</tr>          <tr classname="even" class="even" id="exeext_row_5"><td width="1%">5</td>
<td>>"<INCLUDE PERSISTENT SCRIPTCODE HERE!></td><td classname="action" class="action"><img onclick="simpleList.
prototype.updateList('exeext', 0, '5');" src="imgs/delete.png" title="Delete" alt="Delete" 
class="imgbutton"></td></tr></tbody>


Risk:
=====
The security risk of the  persistent vulnerabilities are estimated as high(-).


Credits:
========
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)


Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all 
warranties, 
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. 
Vulnerability-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss 
of business 
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such 
damages. Some 
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing 
limitation 
may not apply. Any modified copy or reproduction, including partially usages, of this file requires authorization from 
Vulnerability-
Lab. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, 
including the use of 
other media, are reserved by Vulnerability-Lab or its suppliers.

                                                Copyright © 2012|Vulnerability-Lab




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