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Vulnerability protection

Microsoft Kerberos vulnerability could allow denial of service

Report ID: MS201210006
Date Published: 10 October 2012

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

Affected Product/Component:

Windows 7
Windows Server 2008 R2


A vulnerability involving Microsoft Kerberos implementation could be exploited into causing a system to stop responding and restart.

Detailed Description

Microsoft has released a security update to address a vulnerability that exists when Microsoft Kerberos implementation fails to properly handle a specially crafted session. Upon successful exploitation, an attacker could cause the system to stop responding and restart.

This vulnerability issue has been resolved through the latest update, which introduces a correction in the way that Microsoft Kerberos implementation handles a session. Users are recommended to install the update as a protection against potential exploit attemtps.

CVE Reference



Install the latest security patch for applicable system, available for download from (http://technet.microsoft.com/en-us/security/bulletin/ms12-069)

Security Advisories

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