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             AUSCERT External Security Bulletin Redistribution

        Vulnerability in Active Directory Federation Services Could
                  Allow Information Disclosure (2873872)
                              13 August 2013


        AusCERT Security Bulletin Summary

Product:           Microsoft Active Directory Federation Services
Publisher:         Microsoft
Operating System:  Windows Server 2003
                   Windows Server 2008
                   Windows Server 2008 R2
                   Windows Server 2012
Impact/Access:     Access Confidential Data -- Unknown/Unspecified
Resolution:        Patch/Upgrade

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

Microsoft Security Bulletin MS13-066 - Important

Vulnerability in Active Directory Federation Services Could Allow Information 
Disclosure (2873872)

Published Date: August 13, 2013

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Active 
Directory Federation Services (AD FS). The vulnerability could reveal 
information pertaining to the service account used by AD FS. An attacker could
then attempt logons from outside the corporate network, which would result in
account lockout of the service account used by AD FS if an account lockout
policy has been configured. This would result in denial of service for all 
applications relying on the AD FS instance.

This security update is rated Important for AD FS 2.0 when installed on 
non-Itanium editions of Windows Server 2008 and Windows Server 2008 R2; it is
also rated Important for AD FS 2.1 when installed on Windows Server 2012. 
There is no security rating for AD FS 1.x when installed on affected systems.

Affected Software 

Active Directory Federation Services 1.x (2868846)
Active Directory Federation Services 2.0 (2843638)
Active Directory Federation Services 2.0 (2843639)
Active Directory Federation Services 2.1 (2843638)

Vulnerability Information

AD FS Information Disclosure Vulnerability - CVE-2013-3185

An information disclosure vulnerability exists in Active Directory Federation
Services (AD FS) that could allow the unintentional disclosure of account 

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