Microsoft Windows CVE-2010-3941 'Win32k.sys' Double Free Local Privilege Escalation Vulnerability

Description

Microsoft Windows is prone to a local privilege-escalation vulnerability that occurs in the ‘Win32k.sys’ Windows kernel-mode driver. A local attacker can exploit this issue to execute arbitrary code with kernel-level privileges. Successful exploits will result in the complete compromise of affected computers. Failed exploit attempts may cause a denial-of-service condition.

Technologies Affected

• Avaya Aura Conferencing 6.0 Standard
• Avaya CallPilot 4.0
• Avaya CallPilot 5.0
• Avaya CallPilot
• Avaya Communication Server 1000 Telephony Manager 3.0
• Avaya Communication Server 1000 Telephony Manager 4.0
• Avaya Communication Server 1000 Telephony Manager
• Avaya Meeting Exchange - Client Registration Server
• Avaya Meeting Exchange - Recording Server
• Avaya Meeting Exchange - Streaming Server
• Avaya Meeting Exchange - Web Conferencing Server
• Avaya Meeting Exchange - Webportal
• Avaya Meeting Exchange 5.0
• Avaya Meeting Exchange 5.0 SP1
• Avaya Meeting Exchange 5.0.0.0.52
• Avaya Meeting Exchange 5.1
• Avaya Meeting Exchange 5.1 SP1
• Avaya Meeting Exchange 5.2
• Avaya Meeting Exchange 5.2 SP1
• Avaya Meeting Exchange 5.2 SP2
• Avaya Messaging Application Server 4
• Avaya Messaging Application Server 5.2
• Microsoft Windows 7
• Microsoft Windows 7 Home Premium
• Microsoft Windows 7 Professional
• Microsoft Windows 7 Starter
• Microsoft Windows 7 Ultimate
• Microsoft Windows 7 XP Mode
• Microsoft Windows 7 for 32-bit Systems
• Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Beta 1
• Microsoft Windows Server 2003 Datacenter x64 Edition SP2
• Microsoft Windows Server 2003 Enterprise Edition Itanium SP2
• Microsoft Windows Server 2003 Enterprise x64 Edition SP2
• Microsoft Windows Server 2003 Itanium SP2
• Microsoft Windows Server 2003 SP2
• Microsoft Windows Server 2003 Sp2 Compute Cluster
• Microsoft Windows Server 2003 Sp2 Datacenter
• Microsoft Windows Server 2003 Sp2 Enterprise
• Microsoft Windows Server 2003 Sp2 Storage
• Microsoft Windows Server 2003 Standard Edition SP2
• Microsoft Windows Server 2003 Web Edition SP2
• Microsoft Windows Server 2003 x64 SP2
• Microsoft Windows Server 2008 Datacenter Edition
• Microsoft Windows Server 2008 Datacenter Edition SP2
• Microsoft Windows Server 2008 Enterprise Edition
• Microsoft Windows Server 2008 Enterprise Edition SP2
• Microsoft Windows Server 2008 R2
• Microsoft Windows Server 2008 R2 Datacenter
• Microsoft Windows Server 2008 Standard Edition
• Microsoft Windows Server 2008 Standard Edition Gold
• Microsoft Windows Server 2008 Standard Edition Gold Datacenter
• Microsoft Windows Server 2008 Standard Edition Gold Enterprise
• Microsoft Windows Server 2008 Standard Edition Gold Hpc
• Microsoft Windows Server 2008 Standard Edition Gold Itanium
• Microsoft Windows Server 2008 Standard Edition Gold Standard
• Microsoft Windows Server 2008 Standard Edition Gold Storage
• Microsoft Windows Server 2008 Standard Edition Gold Web
• Microsoft Windows Server 2008 Standard Edition Itanium
• Microsoft Windows Server 2008 Standard Edition SP2
• Microsoft Windows Server 2008 Standard Edition Sp2 Hpc
• Microsoft Windows Server 2008 Standard Edition Sp2 Storage
• Microsoft Windows Server 2008 Standard Edition Sp2 Web
• Microsoft Windows Server 2008 Standard Edition X64
• Microsoft Windows Server 2008 for 32-bit Systems
• Microsoft Windows Server 2008 for 32-bit Systems SP2
• Microsoft Windows Server 2008 for Itanium-based Systems
• Microsoft Windows Server 2008 for Itanium-based Systems R2
• Microsoft Windows Server 2008 for Itanium-based Systems SP2
• Microsoft Windows Server 2008 for x64-based Systems
• Microsoft Windows Server 2008 for x64-based Systems R2
• Microsoft Windows Server 2008 for x64-based Systems SP2
• Microsoft Windows Vista Business 64-bit edition SP1
• Microsoft Windows Vista Business 64-bit edition SP2
• Microsoft Windows Vista Business SP1
• Microsoft Windows Vista Business SP2
• Microsoft Windows Vista December CTP SP1
• Microsoft Windows Vista December CTP SP2
• Microsoft Windows Vista Enterprise 64-bit edition SP1
• Microsoft Windows Vista Enterprise 64-bit edition SP2
• Microsoft Windows Vista Enterprise SP1
• Microsoft Windows Vista Enterprise SP2
• Microsoft Windows Vista Home Basic 64-bit edition SP2
• Microsoft Windows Vista Home Basic 64-bit edition Sp2 X64
• Microsoft Windows Vista Home Basic SP1
• Microsoft Windows Vista Home Basic SP2
• Microsoft Windows Vista Home Premium 64-bit edition SP1
• Microsoft Windows Vista Home Premium 64-bit edition SP2
• Microsoft Windows Vista Home Premium SP1
• Microsoft Windows Vista Home Premium SP2
• Microsoft Windows XP Embedded SP3
• Microsoft Windows XP Home SP3
• Microsoft Windows XP Media Center Edition SP3
• Microsoft Windows XP Professional SP3
• Microsoft Windows XP Professional x64 Edition SP2
• Microsoft Windows XP Tablet PC Edition SP3

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.

The vendor has released an advisory and updates. Please see the references for more information.