BID:43774

Microsoft Windows Kernel 'Win32k.sys' Keyboard Layout Local Privilege Escalation Vulnerability

Info

Microsoft Windows Kernel 'Win32k.sys' Keyboard Layout Local Privilege Escalation Vulnerability

Bugtraq ID:	43774
Class:	Unknown
CVE:	CVE-2010-2743
Remote:	No
Local:	Yes
Published:	Oct 12 2010 12:00AM
Updated:	Jan 18 2011 04:01AM
Credit:	Sergey Golovanov, Alexander Gostev, Maxim Golovkin, and Alexey Monastyrsky of Kaspersky Lab, and Vitaly Kiktenko and Alexander Saprykin of Design and Test Lab, and Joji Hamada of Symantec
Vulnerable:	Microsoft Windows XP Tablet PC Edition SP3 Microsoft Windows XP Professional SP3 Microsoft Windows XP Media Center Edition SP3 Microsoft Windows XP Home SP3 Microsoft Windows XP Embedded SP3 Microsoft Windows Vista x64 Edition SP2 Microsoft Windows Vista x64 Edition SP1 Microsoft Windows Vista Ultimate 64-bit edition SP2 Microsoft Windows Vista Ultimate 64-bit edition SP1 Microsoft Windows Vista Home Premium 64-bit edition SP2 Microsoft Windows Vista Home Premium 64-bit edition SP1 Microsoft Windows Vista Home Basic 64-bit edition SP2 Microsoft Windows Vista Home Basic 64-bit edition SP1 Microsoft Windows Vista Enterprise 64-bit edition SP2 Microsoft Windows Vista Enterprise 64-bit edition SP1 Microsoft Windows Vista Business 64-bit edition SP2 Microsoft Windows Vista Business 64-bit edition SP1 Microsoft Windows Vista Ultimate SP2 Microsoft Windows Vista Ultimate SP1 Microsoft Windows Vista SP2 Microsoft Windows Vista SP1 Microsoft Windows Vista Home Premium SP2 Microsoft Windows Vista Home Premium SP1 Microsoft Windows Vista Home Basic SP2 Microsoft Windows Vista Home Basic SP1 Microsoft Windows Vista Enterprise SP2 Microsoft Windows Vista Enterprise SP1 Microsoft Windows Vista Business SP2 Microsoft Windows Vista Business SP1 Microsoft Windows Server 2008 Standard Edition X64 Microsoft Windows Server 2008 Standard Edition SP2 Microsoft Windows Server 2008 Standard Edition Itanium Microsoft Windows Server 2008 Standard Edition 0 Microsoft Windows Server 2008 Standard Edition - Sp2 Web Microsoft Windows Server 2008 Standard Edition - Sp2 Storage Microsoft Windows Server 2008 Standard Edition - Sp2 Hpc Microsoft Windows Server 2008 Standard Edition - Gold Web Microsoft Windows Server 2008 Standard Edition - Gold Storage Microsoft Windows Server 2008 Standard Edition - Gold Standard Microsoft Windows Server 2008 Standard Edition - Gold Itanium Microsoft Windows Server 2008 Standard Edition - Gold Hpc Microsoft Windows Server 2008 Standard Edition - Gold Enterprise Microsoft Windows Server 2008 Standard Edition - Gold Datacenter Microsoft Windows Server 2008 Standard Edition - Gold Microsoft Windows Server 2008 for x64-based Systems SP2 Microsoft Windows Server 2008 for x64-based Systems R2 Microsoft Windows Server 2008 for x64-based Systems 0 Microsoft Windows Server 2008 for Itanium-based Systems SP2 Microsoft Windows Server 2008 for Itanium-based Systems 0 Microsoft Windows Server 2008 for 32-bit Systems SP2 Microsoft Windows Server 2008 for 32-bit Systems 0 Microsoft Windows Server 2008 Enterprise Edition SP2 Microsoft Windows Server 2008 Enterprise Edition 0 Microsoft Windows Server 2008 Datacenter Edition SP2 Microsoft Windows Server 2008 Datacenter Edition 0 Microsoft Windows Server 2003 x64 SP2 Microsoft Windows Server 2003 Web Edition SP2 Microsoft Windows Server 2003 Standard Edition SP2 Microsoft Windows Server 2003 Itanium SP2 Microsoft Windows Server 2003 Enterprise x64 Edition SP2 Microsoft Windows Server 2003 Datacenter x64 Edition SP2 Microsoft Windows 7 XP Mode 0 Microsoft Windows 7 Ultimate 0 Microsoft Windows 7 Starter 0 Microsoft Windows 7 Professional 0 Microsoft Windows 7 Home Premium 0 Microsoft Windows 7 for x64-based Systems 0 Microsoft Windows 7 for 32-bit Systems 0 Avaya Messaging Application Server MM 3.1 Avaya Messaging Application Server MM 3.0 Avaya Messaging Application Server MM 2.0 Avaya Messaging Application Server MM 1.1 Avaya Messaging Application Server 5 Avaya Messaging Application Server 4 Avaya Messaging Application Server 0 Avaya Meeting Exchange - Webportal 0 Avaya Meeting Exchange - Web Conferencing Server 0 Avaya Meeting Exchange - Streaming Server 0 Avaya Meeting Exchange - Recording Server 0 Avaya Meeting Exchange - Client Registration Server 0 Avaya Communication Server 1000 Telephony Manager 0 Avaya CallPilot 0 Avaya Aura Conferencing Standard Avaya Aura Conferencing 6.0 Standard 3DM Software Disk Management Software Sp2 Storage 3DM Software Disk Management Software Sp2 Enterprise 3DM Software Disk Management Software Sp2 Datacenter 3DM Software Disk Management Software Sp2 Compute Cluster 3DM Software Disk Management Software SP2

Not Vulnerable:

Discussion

Microsoft Windows Kernel 'Win32k.sys' Keyboard Layout Local Privilege Escalation Vulnerability

Microsoft Windows is prone to a local privilege-escalation vulnerability that occurs in the Windows kernel.

An 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.

Exploit / POC

Microsoft Windows Kernel 'Win32k.sys' Keyboard Layout Local Privilege Escalation Vulnerability

The vendor reported that this vulnerability is being exploited in limited attacks by malicious software.

The following exploits are available:

/data/vulnerabilities/exploits/43774.c
/data/vulnerabilities/exploits/43774.rb

Solution / Fix

Microsoft Windows Kernel 'Win32k.sys' Keyboard Layout Local Privilege Escalation Vulnerability

Solution:
The vendor released an advisory and updates. Please see the references for details.

Microsoft Windows XP Media Center Edition SP3