(MS11-056) Vulnerabilities in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2507938)

  Severity: HIGH
  CVE Identifier: CVE-2011-1281,CVE-2011-1282,CVE-2011-1283,CVE-2011-1284,CVE-2011-1870
  Advisory Date: JUL 13, 2011

  DESCRIPTION

This security update fixes five reported vulnerabilities in the Microsoft Windows Client/Server Run-time Subsystem (CSRSS), which may lead to elevation of privilege if a remote user logs on to a user's system and executes a specially crafted application. However, an attacker must have valid login credentials to initiate an exploit.

  TREND MICRO PROTECTION INFORMATION

For information on patches specific to the affected software, please proceed to the Microsoft Web page.

  AFFECTED SOFTWARE AND VERSION

  • Windows XP Service Pack 3
  • Windows XP Professional x64 Edition Service Pack 2
  • Windows Server 2003 Service Pack 2
  • Windows Server 2003 x64 Edition Service Pack 2
  • Windows Server 2003 with SP2 for Itanium-based Systems
  • Windows Vista Service Pack 1 and Windows Vista Service Pack 2
  • Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2
  • Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2*
  • Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2*
  • Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2
  • Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1
  • Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1*
  • Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1

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