WebTitan Appliance v3.50.x - Multiple Web Vulnerabilities

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


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


Release Date:
=============
2012-01-12


Vulnerability Laboratory ID (VL-ID):
====================================
89


Product & Service 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 Advisory Information:
==============================
Vulnerability Lab Team discovered multiple persistent Input Validation vulnerabilities on the WebTitan Appliance.


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


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


Affected Product(s):
====================
Copperfasten Technologies
Product: WebTitan Appliance Application 3.50.x


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


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


Technical Details & Description:
================================
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 (PoC):
=======================
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>


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


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


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