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(MS12-056) Vulnerability in JScript and VBScript Engines Could Allow Remote Code Execution (2706045)

  Severity: HIGH
  CVE Identifier: CVE-2012-2523
  Advisory Date: AUG 15, 2012

  DESCRIPTION

This bulletin resolves a remote code execution vulnerability found in the scripting engines JScript and VBScript in Windows 64-bit systems. The vulnerability exists in the way the said scripting engines calculate the size of copied objects. Microsoft recommends users to enable prompts for Active Scripting in Internet Explorer.

  SOLUTION

  AFFECTED SOFTWARE AND VERSION

  • JScript 5.8 and VBScript 5.8 (Windows XP Professional x64 Edition Service Pack 2)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2008 R2 for Itanium-based Systems)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2008 R2 for Itanium-based Systems Service Pack 1)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2003 x64 Edition Service Pack 2)
  • JScript 5.8 and VBScript 5.8 (Windows Vista x64 Edition Service Pack 2)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2008 for x64-based Systems Service Pack 2)
  • JScript 5.8 and VBScript 5.8 (Windows 7 for x64-based Systems)
  • JScript 5.8 and VBScript 5.8 (Windows 7 for x64-based Systems Service Pack 1)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2008 R2 for x64-based Systems)
  • JScript 5.8 and VBScript 5.8 (Windows Server 2008 R2 for x64-based Systems Service Pack 1)