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Microsoft Windows WinVerifyTrust Signature Validation Vulnerability

Last Update Date: 13 Dec 2013 Release Date: 11 Dec 2013 4072 Views

RISK: High Risk

TYPE: Operating Systems - Windows OS

TYPE: Windows OS

A remote code execution vulnerability exists in the way that the WinVerifyTrust function handles Windows Authenticode signature verification for portable executable (PE) files. An anonymous attacker could exploit the vulnerability by modifying an existing signed executable file to leverage unverified portions of the file in such a way as to add malicious code to the file without invalidating the signature. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.


Impact

  • Remote Code Execution

System / Technologies affected

  • Windows XP
  • Windows Server 2003
  • Windows Vista
  • Windows Server 2008
  • Windows 7
  • Windows Server 2008 R2
  • Windows 8 and Windows 8.1
  • Windows Server 2012 and Windows Server 2012 R2
  • Windows RT and Windows RT 8.1

Solutions

Before installation of the software, please visit the software manufacturer web-site for more details.


Vulnerability Identifier


Source


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