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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Cross-Site Scripting Flaw Lets Remote Users Bypass Same Origin Policy
SecurityTracker Alert ID:  1031689
SecurityTracker URL:  http://securitytracker.com/id/1031689
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Feb 4 2015
Original Entry Date:  Feb 2 2015
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 11
Description:   A vulnerability was reported in Microsoft Internet Explorer. A remote user can conduct cross-site scripting attacks.

A remote user can create specially crafted HTML that, when loaded by a target user, will bypass the Microsoft Internet Explorer same origin domain policy and execute arbitrary scripting code. The code will originate from an arbitrary 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.

The vendor was notified on October 13, 2014.

A demonstration exploit is available at:

http://www.deusen.co.uk/items/insider3show.3362009741042107/

David Leo of Deusen reported this vulnerability.

Impact:   A remote user can bypass same origin policy to access the target user's cookies (including authentication cookies), if any, associated with an arbitrary 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:   No solution was available at the time of this entry.
Vendor URL:  www.microsoft.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  Major Internet Explorer Vulnerability - NOT Patched

Deusen just published code and description here:
http://www.deusen.co.uk/items/insider3show.3362009741042107/
which demonstrates the serious security issue.

Summary
An Internet Explorer vulnerability is shown here:
Content of dailymail.co.uk can be changed by external domain.

How To Use
1. Close the popup window("confirm" dialog) after three seconds.
2. Click "Go".
3. After 7 seconds, "Hacked by Deusen" is actively injected into dailymail.co.uk.

Technical Details
Vulnerability: Universal Cross Site Scripting(XSS)
Impact: Same Origin Policy(SOP) is completely bypassed
Attack: Attackers can steal anything from another domain, and inject anything into another domain
Tested: Jan/29/2015 Internet Explorer 11 Windows 7

If you like it, please reply "nice".

Kind Regards,

 
 


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