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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Use-After-Free in ScriptEngine Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1031012
SecurityTracker URL:  http://securitytracker.com/id/1031012
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 14 2014
Impact:   Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  

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 a specially crafted file or web page that, when loaded by the target user, will trigger a use-after-free in the handling of ScriptEngine objects and execute arbitrary code on the target system.

Systems with Script Debugging enabled [not the default configuration] are affected.

The original advisory is available at:

http://www.zerodayinitiative.com/advisories/ZDI-14-349/

Aniway.Anyway at gmail.com reported this vulnerability.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   No solution was available at the time of this entry.

The vendor indicates that Script Debugging can be disabled under the Internet Options dialog box as a workaround.

Vendor URL:  www.microsoft.com/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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