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AUSCERT External Security Bulletin Redistribution
ESB-2012.0965
Vulnerability in HTML Sanitization Component Could Allow
Elevation of Privilege (2741517)
10 October 2012
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft InfoPath
Microsoft Communicator
Microsoft Lync
Microsoft SharePoint Server
Microsoft Groove Server
Microsoft Windows SharePoint Services
Microsoft Office Web Apps
Publisher: Microsoft
Operating System: Windows
Impact/Access: Increased Privileges -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2012-2520
Original Bulletin:
http://technet.microsoft.com/en-us/security/bulletin/MS12-066
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Microsoft Security Bulletin MS12-066 - Important
Vulnerability in HTML Sanitization Component Could Allow Elevation of Privilege
(2741517)
Published Date: October 9, 2012
Version: 1.0
General Information
Executive Summary
This security update resolves a publicly disclosed vulnerability in Microsoft
Office, Microsoft Communications Platforms, Microsoft Server software, and
Microsoft Office Web Apps. The vulnerability could allow elevation of privilege
if an attacker sends specially crafted content to a user.
This security update is rated Important for supported editions of Microsoft
InfoPath 2007, Microsoft InfoPath 2010, Microsoft Communicator 2007 R2,
Microsoft Lync 2010, Microsoft Lync 2010 Attendee, Microsoft SharePoint Server
2007, Microsoft SharePoint Server 2010, Microsoft Groove Server 2010, Microsoft
SharePoint Windows Services 3.0, Microsoft SharePoint Foundation 2010, and
Microsoft Office Web Apps 2010. For more information, see the subsection,
Affected and Non-Affected Software, in this section.
Affected Software
Microsoft InfoPath 2007 Service Pack 2
Microsoft InfoPath 2007 Service Pack 3
Microsoft InfoPath 2010 Service Pack 1 (32-bit editions)
Microsoft InfoPath 2010 Service Pack 1 (64-bit editions)
Microsoft Communicator 2007 R2
Microsoft Lync 2010 (32-bit)
Microsoft Lync 2010 (64-bit)
Microsoft Lync 2010 Attendee (admin level install)
Microsoft SharePoint Server 2007 Service Pack 2 (32-bit editions)
Microsoft SharePoint Server 2007 Service Pack 3 (32-bit editions)
Microsoft SharePoint Server 2007 Service Pack 2 (64-bit editions)
Microsoft SharePoint Server 2007 Service Pack 3 (64-bit editions)
Microsoft SharePoint Server 2010 Service Pack 1
Microsoft Groove Server 2010 Service Pack 1
Microsoft Windows SharePoint Services 3.0 Service Pack 2 (32-bit version)
Microsoft Windows SharePoint Services 3.0 Service Pack 2 (64-bit version)
Microsoft SharePoint Foundation 2010 Service Pack 1
Microsoft Office Web Apps 2010 Service Pack 1
Vulnerability Information
HTML Sanitization Vulnerability - CVE-2012-2520
An elevation of privilege vulnerability exists in the way that HTML strings are
sanitized. An attacker who successfully exploited this vulnerability could
perform cross-site scripting attacks and run script in the security context of
the logged-on user.
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