Research > Zero-Day Tracker > 20131127
Microsoft Windows Kernel Privilege Escalation
Windows Server 2003
An elevation of privilege vulnerability exists in Windows, such that an attacker can execute a program as a normal user and escalate their privileges to kernel rights. This has been exploited in the wild.
Yes: in the kernel
Local Elevation of Privilege
Local attackers exploiting this vulnerability will be able to elevate their privileges to the context of the kernel. Attackers will likely leverage this to hide their presence on the compromised system.
Apply MS14-002. Otherwise, you may use the mitigation below:
To block attacks seen in the wild, reroute the NDProxy service to Null.sys.
Note that this will break functionality dependent on Windows Telephony Application Programming Interfaces. This includes Remote Access Service, dial-up networking, and virtual private networking.
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.
32492 - Microsoft Windows Kernel Privilege Escalation (2914368)
2013-11-27: Original Disclosure
Copyright ©1998-2011 eEye Digital Security
Permission is hereby granted for the redistribution of this alert electronically. It is not to be edited in any way without express consent of eEye. If you wish to reprint the whole or any part of this alert in any other medium excluding electronic medium, please email alert@eEye.com for permission.
The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are no warranties, implied or express, with regard to this information. In no event shall the author be liable for any direct or indirect damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk.