Microsoft Windows Kernel 'Win32k.sys' TrueType Font File Remote Denial of Service Vulnerability

Bugtraq ID:	49973
Class:	Design Error
CVE:	CVE-2011-2002
Remote:	Yes
Local:	No
Published:	Oct 11 2011 12:00AM
Updated:	Oct 12 2011 11:20PM
Credit:	Maik Wellmann
Vulnerable:	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 December CTP X64 Microsoft Windows Vista December CTP SP2 Microsoft Windows Vista December CTP SP1 Microsoft Windows Vista December CTP Gold Microsoft Windows Vista December CTP Microsoft Windows Vista Business 64-bit edition X64-Ultimate Microsoft Windows Vista Business 64-bit edition X64-Enterprise Microsoft Windows Vista Business 64-bit edition SP2 Microsoft Windows Vista Business 64-bit edition Sp1 X64-Ultimate Microsoft Windows Vista Business 64-bit edition Sp1 X64-Home Premium Microsoft Windows Vista Business 64-bit edition Sp1 X64-Enterprise 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 beta 2 Microsoft Windows Vista Beta 1 Microsoft Windows Vista Beta Microsoft Windows Vista 3.0 Microsoft Windows Vista 2.0 Microsoft Windows Vista 1.0 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 R2 SP1 Microsoft Windows Server 2008 Standard Edition R2 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 R2 x64 SP1 Microsoft Windows Server 2008 R2 x64 0 Microsoft Windows Server 2008 R2 Standard Edition 0 Microsoft Windows Server 2008 R2 Itanium SP1 Microsoft Windows Server 2008 R2 Itanium 0 Microsoft Windows Server 2008 R2 for x64-based Systems SP1 0 Microsoft Windows Server 2008 R2 Enterprise Edition 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 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 Home Premium - Sp1 X64 Microsoft Windows 7 Home Premium - Sp1 X32 Microsoft Windows 7 for x64-based Systems SP1 Microsoft Windows 7 for x64-based Systems 0 Microsoft Windows 7 for 32-bit Systems SP1 Microsoft Windows 7 for 32-bit Systems 0 Microsoft Windows 7 RC Microsoft Windows 7 beta Microsoft Windows 7 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 - 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' TrueType Font File Remote Denial of Service Vulnerability

Microsoft Windows is prone to a remote denial-of-service vulnerability.

A remote attacker can exploit this issue to crash the Windows kernel, denying service to legitimate users.

Microsoft Windows Kernel 'Win32k.sys' TrueType Font File Remote Denial of Service Vulnerability

Attackers can exploit this issue by tricking an unsuspecting victim into viewing a file on a remote share.

Microsoft Windows Kernel 'Win32k.sys' TrueType Font File Remote Denial of Service Vulnerability

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


Microsoft Windows 7 for x64-based Systems SP1

• Microsoft Security Update for Windows 7 for x64-based Systems (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=219554e6-eb5a -42d0-90c0-42b4d0772cfd

Microsoft Windows Server 2008 R2 x64 SP1

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=39bd4cfb-fe61 -41b8-a5a2-73a9e720fc72

Microsoft Windows Server 2008 for 32-bit Systems SP2

• Microsoft Security Update for Windows Server 2008 (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=7c7498ee-eba4 -44fd-8846-0b2e96c96705

Microsoft Windows Server 2008 for x64-based Systems R2

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=39bd4cfb-fe61 -41b8-a5a2-73a9e720fc72

Microsoft Windows Server 2008 R2 Itanium 0

• Microsoft Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=0d35c6d0-6d2d -42bf-a97f-4c5e01b1937e

Microsoft Windows 7 for 32-bit Systems 0

• Microsoft Security Update for Windows 7 (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=9e40bc26-f77f -4b57-9b3d-9d053c19ac56

Microsoft Windows 7 for 32-bit Systems SP1

• Microsoft Security Update for Windows 7 (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=9e40bc26-f77f -4b57-9b3d-9d053c19ac56

Microsoft Windows Server 2008 for Itanium-based Systems SP2

• Microsoft Security Update for Windows Server 2008 for Itanium-based Systems (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=3633402b-96cb -4f36-b137-d07d1baf28c7

Microsoft Windows 7 for x64-based Systems 0

• Microsoft Security Update for Windows 7 for x64-based Systems (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=219554e6-eb5a -42d0-90c0-42b4d0772cfd

Microsoft Windows Server 2008 for x64-based Systems SP2

• Microsoft Security Update for Windows Server 2008 x64 Edition (KB2567053)
  http://www.microsoft.com/downloads/details.aspx?familyid=40386742-f397 -402e-8810-63d3d6ba12a6

Microsoft Windows Kernel 'Win32k.sys' TrueType Font File Remote Denial of Service Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• ASA-2011-308 MS11-077 Vulnerabilities in Windows Kernel-Mode Drivers Could Allow (Avaya)
  
• Microsoft Security Bulletin MS11-077 (Microsoft)