WebTitan Appliance 3.50.x Script Insertion

Type packetstorm
Reporter Benjamin Kunz Mejri
Modified 2012-01-16T00:00:00


WebTitan Appliance v3.50.x - Multiple Web Vulnerabilities  
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)  
Vulnerability Lab Team discovered multiple persistent Input Validation vulnerabilities on the WebTitan Appliance.  
2011-09-17: Vendor Notification  
2012-01-14: Public or Non-Public Disclosure  
Affected Products:  
Copperfasten Technologies  
Product: WebTitan Appliance Application v3.50.x  
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  
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">  
<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 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>  
<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>  
The security risk of the persistent vulnerabilities are estimated as high(-).  
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)  
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