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Vulnerability protection

Windows digital signatures vulnerability could allow denial of service


Report ID: MS201311008
Date Published: 13 November 2013

Criticality: Important
Compromise Type: denial-of-service
Compromise From: remote


Affected Product/Component:

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




Summary

A vulnerability in the Windows digital signatures could lead to denial of service.



Detailed Description

Microsoft has released a security update to address a vulnerability in the Windows digital signatures, which was caused by improper handling of X.509 certificate. If successfully exploited, an attacker could cause an affected web service to stop responding. This issue has been resolved in the latest update by correcting the way that X.509 certificates are handled in Microsoft Windows. Users are recommended to install the latest update onto their system as a protection measure against exploit attempts.

 



CVE Reference

CVE-2013-3869



Solution

Install the latest security patch for applicable system, available for download from (https://technet.microsoft.com/en-us/security/bulletin/ms13-095)



Security Advisories

For a list of known vulnerabilities affecting F-Secure products and the released fixes, please refer to the Security Advisories page.