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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Use-After-Free Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1029765
SecurityTracker URL:  http://securitytracker.com/id/1029765
CVE Reference:   CVE-2014-0322   (Links to External Site)
Updated:  Mar 11 2014
Original Entry Date:  Feb 14 2014
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9, 10
Description:   A vulnerability was reported in Microsoft Internet Explorer. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create HTML with a specially crafted Adobe Flash object that, when loaded by the target user, will trigger a use-after-free memory error and execute arbitrary code on the target system. The code will run with the privileges of the target user.

This vulnerability is being actively exploited.


The original advisories are available at:

http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/new-ie-zero-day-found-in-watering-hole-attack-2.html

http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html

FireEye reported this vulnerability.

Impact:   A remote user can create HTML that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix.

A patch matrix is available in the vendor's advisory.

A restart is required.

The vendor's advisories are available at:

http://technet.microsoft.com/en-us/security/bulletin/ms14-012
https://technet.microsoft.com/security/advisory/2934088

Vendor URL:  technet.microsoft.com/en-us/security/bulletin/ms14-012 (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2008), Windows (2012), Windows (7), Windows (8), Windows (Vista)
Underlying OS Comments:  2008 R2 SP1, Vista SP2, 7 SP1, 2008 SP2, 8, 2012, RT; and prior service packs

Message History:   None.


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