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AUSCERT External Security Bulletin Redistribution
ESB-2013.1114
Vulnerability in Active Directory Federation Services Could
Allow Information Disclosure (2873872)
13 August 2013
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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:
http://technet.microsoft.com/en-us/security/bulletin/ms13-066
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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
information.
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