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Category:   Application (Generic)  >   Websense Vendors:   Websense
Websense Input Validation Hole in 'username' Parameter Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1019066
SecurityTracker URL:  http://securitytracker.com/id/1019066
CVE Reference:   CVE-2007-6312   (Links to External Site)
Updated:  Dec 12 2007
Original Entry Date:  Dec 10 2007
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.3.x
Description:   Dave Lewis of Liquidmatrix.org reported a vulnerability in Websense. A remote user can conduct cross-site scripting attacks.

The login page not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Websense software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

The vendor was notified on November 8, 2007.

The original advisory is available at:

http://www.liquidmatrix.org/blog/2007/12/10/advisory-websense-xss-vulnerability/

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Websense software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a hotfix (#80).

The Websense advisory is available at:

http://www.websense.com/SupportPortal/SupportKbs/1840.aspx

Vendor URL:  www.websense.com/SupportPortal/SupportKbs/1840.aspx (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (2000), Windows (2003)

Message History:   None.


 Source Message Contents

Subject:  Advisory: Websense XSS Vulnerability

December 10th, 2007

=======
Summary
=======
Name: Websense XSS Vulnerability
Release Date: 10 December 2007
Reference: LSD002-2007
Discover: Dave Lewis
CVE:Pending
Vendor: Websense
Product: Websense Enterprise and Websense Web Security Suite
Systems Affected: version 6.3 (as tested)


Risk: Less Critical
Status: Published
Reference:
http://www.liquidmatrix.org/blog/2007/12/10/advisory-websense-xss-vulnerability/

========
Time Line
========
Discovered:  8 November 2007
Reported:  8 November 2007
Fixed: 21 November 2007
Patch Release: 21 November 2007
Published: 10 December 2007

===========
Description
===========
Websense Enterprise and Websense Web Security Suite contain a
vulnerability in the login page is susceptible to a cross site scripting
(XSS) attack.

Impact: a remote attacker could execute a XSS attack that could pass
arbitrary html to the user.

=================
Technical Details
=================
Input passed to the "username" field of the login page is not properly
sanitized before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

===============
Fix Information
===============
This issue has now been resolved.

The patch may be obtained from:

http://www.websense.com (Hotfix #80)

Knowledge Base #1840
http://www.websense.com/SupportPortal/SupportKbs/1840.aspx


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

Liquidmatrix Security Digest
http://www.liquidmatrix.org/blog/

2255B Queen Street East
suite 156
Toronto, Ontario
Canada
M4E 1G3

 
 


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