Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1882) Local Privilege Escalation Vulnerability

Bugtraq ID:	48594
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2011-1882
Remote:	No
Local:	Yes
Published:	Jul 12 2011 12:00AM
Updated:	Jul 13 2011 05:10PM
Credit:	Tarjei Mandt of Norman
Vulnerable:	Microsoft Windows XP Tablet PC Edition SP3 Microsoft Windows XP Tablet PC Edition SP2 Microsoft Windows XP Tablet PC Edition SP1 Microsoft Windows XP Tablet PC Edition Microsoft Windows XP Service Pack 3 0 Microsoft Windows XP Professional x64 Edition SP3 Microsoft Windows XP Professional x64 Edition SP2 Microsoft Windows XP Professional x64 Edition Microsoft Windows XP Professional SP3 Microsoft Windows XP Professional SP2 Microsoft Windows XP Professional SP1 Microsoft Windows XP Professional Microsoft Windows XP Media Center Edition 2005 SP3 Microsoft Windows XP Media Center Edition SP3 Microsoft Windows XP Media Center Edition SP2 Microsoft Windows XP Media Center Edition SP1 Microsoft Windows XP Media Center Edition Microsoft Windows XP Home SP3 Microsoft Windows XP Home SP2 Microsoft Windows XP Home SP1 Microsoft Windows XP Home Microsoft Windows XP Embedded SP3 Microsoft Windows XP Embedded SP2 Microsoft Windows XP Embedded SP1 Microsoft Windows XP Embedded Microsoft Windows XP 64-bit Edition SP1 Microsoft Windows XP 64-bit Edition Microsoft Windows XP 0 Microsoft Windows XP 0 Microsoft Windows Vista x64 Edition SP2 Microsoft Windows Vista x64 Edition SP1 Microsoft Windows Vista x64 Edition 0 Microsoft Windows Vista Ultimate 64-bit edition SP2 Microsoft Windows Vista Ultimate 64-bit edition SP1 Microsoft Windows Vista Ultimate 64-bit edition 0 Microsoft Windows Vista Home Premium 64-bit edition SP2 Microsoft Windows Vista Home Premium 64-bit edition SP1 Microsoft Windows Vista Home Premium 64-bit edition 0 Microsoft Windows Vista Home Basic 64-bit edition Sp2 X64 Microsoft Windows Vista Home Basic 64-bit edition SP2 Microsoft Windows Vista Home Basic 64-bit edition Sp1 X64 Microsoft Windows Vista Home Basic 64-bit edition SP1 Microsoft Windows Vista Home Basic 64-bit edition 0 Microsoft Windows Vista Enterprise 64-bit edition SP2 Microsoft Windows Vista Enterprise 64-bit edition SP1 Microsoft Windows Vista Enterprise 64-bit edition 0 Microsoft Windows Vista Business 64-bit edition SP2 Microsoft Windows Vista Business 64-bit edition SP1 Microsoft Windows Vista Business 64-bit edition 0 Microsoft Windows Vista Ultimate SP2 Microsoft Windows Vista Ultimate SP1 Microsoft Windows Vista Ultimate Microsoft Windows Vista SP2 Beta Microsoft Windows Vista SP2 Microsoft Windows Vista SP1 Microsoft Windows Vista Home Premium SP2 Microsoft Windows Vista Home Premium SP1 Microsoft Windows Vista Home Premium Microsoft Windows Vista Home Basic SP2 Microsoft Windows Vista Home Basic SP1 Microsoft Windows Vista Home Basic Microsoft Windows Vista Enterprise SP2 Microsoft Windows Vista Enterprise SP1 Microsoft Windows Vista Enterprise Microsoft Windows Vista Business SP2 Microsoft Windows Vista Business SP1 Microsoft Windows Vista Business Microsoft Windows Vista 0 Microsoft Windows Server 2008 Standard Edition X64 Microsoft Windows Server 2008 Standard Edition SP2 Microsoft Windows Server 2008 Standard Edition Release Candidate Microsoft Windows Server 2008 Standard Edition Itanium Microsoft Windows Server 2008 Standard Edition 0 Microsoft Windows Server 2008 R2 x64 SP1 Microsoft Windows Server 2008 R2 x64 0 Microsoft Windows Server 2008 R2 Itanium SP1 Microsoft Windows Server 2008 R2 Itanium 0 Microsoft Windows Server 2008 R2 Datacenter SP1 Microsoft Windows Server 2008 R2 Datacenter 0 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 R2 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 Release Candidate Microsoft Windows Server 2008 Enterprise Edition 0 Microsoft Windows Server 2008 Datacenter Edition SP2 Microsoft Windows Server 2008 Datacenter Edition Release Candidate Microsoft Windows Server 2008 Datacenter Edition 0 Microsoft Windows Server 2008 SP2 Beta Microsoft Windows Server 2008 - Sp2 Enterprise X64 Microsoft Windows Server 2003 x64 SP2 Microsoft Windows Server 2003 x64 SP1 Microsoft Windows Server 2003 Web Edition SP2 Microsoft Windows Server 2003 Web Edition SP1 Beta 1 Microsoft Windows Server 2003 Web Edition SP1 Microsoft Windows Server 2003 Web Edition Microsoft Windows Server 2003 Standard x64 Edition Microsoft Windows Server 2003 Standard Edition SP2 Microsoft Windows Server 2003 Standard Edition SP1 Beta 1 Microsoft Windows Server 2003 Standard Edition SP1 Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 R2 web Edition 0 Microsoft Windows Server 2003 R2 Standard Edition 0 Microsoft Windows Server 2003 R2 Enterprise Edition SP2 0 Microsoft Windows Server 2003 R2 Enterprise Edition SP1 0 Microsoft Windows Server 2003 R2 Enterprise Edition 0 Microsoft Windows Server 2003 R2 Datacenter Edition SP2 0 Microsoft Windows Server 2003 R2 Datacenter Edition SP1 0 Microsoft Windows Server 2003 R2 Datacenter Edition 0 Microsoft Windows Server 2003 Itanium SP2 Microsoft Windows Server 2003 Itanium SP1 Microsoft Windows Server 2003 Enterprise x64 Edition SP2 Microsoft Windows Server 2003 Enterprise Edition Itanium Sp2 Itanium Microsoft Windows Server 2003 Enterprise Edition Itanium SP2 Microsoft Windows Server 2003 Enterprise Edition Itanium SP1 Beta 1 Microsoft Windows Server 2003 Enterprise Edition Itanium SP1 Microsoft Windows Server 2003 Enterprise Edition Itanium 0 Microsoft Windows Server 2003 Enterprise Edition SP1 Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Datacenter x64 Edition SP2 Microsoft Windows Server 2003 Datacenter x64 Edition Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Beta 1 Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Microsoft Windows Server 2003 Datacenter Edition Itanium 0 Microsoft Windows Server 2003 Datacenter Edition SP1 Beta 1 Microsoft Windows Server 2003 Datacenter Edition SP1 Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows Server 2003 SP1 Microsoft Windows Server 2003 R2 X64-Standard Microsoft Windows Server 2003 R2 X64-Enterprise Microsoft Windows Server 2003 R2 X64-Datacenter Microsoft Windows Server 2003 R2 X64 Microsoft Windows Server 2003 R2 Storage Microsoft Windows Server 2003 R2 Standard Microsoft Windows Server 2003 R2 Platfom SDK Microsoft Windows Server 2003 R2 Enterprise Microsoft Windows Server 2003 R2 Datacenter Microsoft Windows Server 2003 R2 Compute Cluster Microsoft Windows Server 2003 R2 Microsoft Windows Server 2008 R2 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 SP1 Microsoft Windows 7 for x64-based Systems 0 Microsoft Windows 7 for Itanium-based Systems SP1 Microsoft Windows 7 for Itanium-based Systems 0 Microsoft Windows 7 for 32-bit Systems SP1 Microsoft Windows 7 for 32-bit Systems 0 Microsoft Windows 7 RC Avaya Messaging Application Server 5.2 Avaya Messaging Application Server 5 Avaya Messaging Application Server 4 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 Meeting Exchange 5.0 .0.52 Avaya Meeting Exchange 5.2 SP2 Avaya Meeting Exchange 5.2 SP1 Avaya Meeting Exchange 5.2 Avaya Meeting Exchange 5.1 SP1 Avaya Meeting Exchange 5.1 Avaya Meeting Exchange 5.0 SP2 Avaya Meeting Exchange 5.0 SP1 Avaya Meeting Exchange 5.0 Avaya Communication Server 1000 Telephony Manager 4.0 Avaya Communication Server 1000 Telephony Manager 3.0 Avaya CallPilot 5.0 Avaya CallPilot 4.0 Avaya Aura Conferencing 6.0 Standard
Not Vulnerable:

Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1882) Local Privilege Escalation Vulnerability

Microsoft Windows is prone to a local privilege-escalation vulnerability that occurs in the Windows kernel due to a use-after-free error.

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.

Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1882) Local Privilege Escalation Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1882) Local Privilege Escalation Vulnerability

Solution:
Vendor updates are available. Please see the referenced advisory for more information.


Microsoft Windows Server 2008 for 32-bit Systems SP2

• Microsoft Security Update for Windows Server 2008 (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 770

Microsoft Windows Vista Home Premium SP2

• Microsoft Security Update for Windows Vista (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 752

Microsoft Windows Server 2008 R2 Itanium 0

• Microsoft Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 743

Microsoft Windows Vista Home Basic SP1

• Microsoft Security Update for Windows Vista (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 752

Microsoft Windows XP Media Center Edition SP3

• Microsoft Security Update for Windows XP (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 760

Microsoft Windows 7 for 32-bit Systems 0

• Microsoft Security Update for Windows 7 (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 750

Microsoft Windows Server 2003 Web Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 753

Microsoft Windows XP Professional x64 Edition SP2

• Microsoft Security Update for Windows XP x64 Edition (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 766

Microsoft Windows Vista x64 Edition SP1

• Microsoft Security Update for Windows Vista for x64-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 769

Microsoft Windows Vista Ultimate SP2

• Microsoft Security Update for Windows Vista (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 752

Microsoft Windows Vista Home Basic SP2

• Microsoft Security Update for Windows Vista (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 752

Microsoft Windows XP Embedded SP3

• Microsoft Security Update for Windows XP (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 760

Microsoft Windows Server 2008 for x64-based Systems 0

• Microsoft Security Update for Windows Server 2008 x64 Edition (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 742

Microsoft Windows Server 2008 for Itanium-based Systems SP2

• Microsoft Security Update for Windows Server 2008 for Itanium-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 734

Microsoft Windows Vista Home Premium SP1

• Microsoft Security Update for Windows Vista (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 752

Microsoft Windows 7 for x64-based Systems 0

• Microsoft Security Update for Windows 7 for x64-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 765

Microsoft Windows Server 2003 Standard Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 753

Microsoft Windows Server 2008 for x64-based Systems SP2

• Microsoft Security Update for Windows Server 2008 x64 Edition (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 742

Microsoft Windows Server 2003 Itanium SP2

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 761

Microsoft Windows Server 2008 for Itanium-based Systems 0

• Microsoft Security Update for Windows Server 2008 for Itanium-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 734

Microsoft Windows Vista x64 Edition SP2

• Microsoft Security Update for Windows Vista for x64-based Systems (KB2555917)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26 769

Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1882) Local Privilege Escalation Vulnerability

References:

• Microsoft Windows Homepage (Microsoft )
  
• ASA-2011-202 MS11-054 Vulnerabilities in Windows Kernel-Mode Drivers Could Allow (Avaya)
  
• Microsoft Security Bulletin MS11-054 - Important (Microsoft)