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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Outer Window Function Object Lets Remote Users Bypass Cross-Site Scripting Protections
SecurityTracker Alert ID:  1017422
SecurityTracker URL:  http://securitytracker.com/id/1017422
CVE Reference:   CVE-2006-6507   (Links to External Site)
Date:  Dec 20 2006
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): 2.0
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can bypass cross-site scripting protections.

A window's Function object can be exploited to bypass cross-site scripting protections. A remote user can potentially cause arbitrary scripting code to be executed by the target user's browser. The code will originate from a target site 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.

Firefox 1.5 is not affected.

moz_bug_r_a4 reported this vulnerability.

Impact:   A remote user can potentially access the target user's cookies (including authentication cookies), if any, associated with a target 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.
Solution:   The vendor has issued a fixed version (2.0.0.1).

The Mozilla advisory is available at:

http://www.mozilla.org/security/announce/2006/mfsa2006-76.html

Vendor URL:  www.mozilla.org/security/announce/2006/mfsa2006-76.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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