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Category:   Application (Web Browser)  >   Microsoft Internet Explorer Vendors:   Microsoft
Microsoft Internet Explorer Performance Object Lets Remote Users Detect Virtual Machines
SecurityTracker Alert ID:  1033748
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 6 2015
Impact:   Disclosure of system information
Vendor Confirmed:  Yes  
Version(s): 10, 11
Description:   A vulnerability was reported in Microsoft Internet Explorer. A remote user can detect if the target user's browser is running on a virtual machine.

A remote user can create specially crafted HTML and JavaScript that, when loaded by the target user, will invoke the 'windows.performance' object and determine the Windows performance counter frequency. This can be used to detect some virtual machines and to fingerprint the target system.

The vendor has assigned issue [21897mp] to this vulnerability.

The original advisory is available at:

Amit Klein reported this vulnerability.

Impact:   A remote user can detect if the target user's browser is running on a virtual machine.
Solution:   No solution was available at the time of this entry.

The vendor does not plan to issue a fix.

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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