Microsoft Windows CVE-2010-3944 'Win32k.sys' 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 7 for x64-based Systems
• Microsoft Windows Server 2008 R2 Itanium
• Microsoft Windows Server 2008 R2 x64

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.