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AUSCERT External Security Bulletin Redistribution
ESB-2010.1145
Vulnerability in Microsoft SharePoint Could Allow Remote
Code Execution (2455005)
15 December 2010
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Office SharePoint Server 2007 Service Pack 2
Publisher: Microsoft
Operating System: Windows Server 2003
Windows Server 2008
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2010-3964
Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS10-104.mspx
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Microsoft Security Bulletin MS10-104 - Important
Vulnerability in Microsoft SharePoint Could Allow Remote Code Execution
(2455005)
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in Microsoft
SharePoint. The vulnerability could allow remote code execution in the
security context of a guest user if an attacker sent a specially crafted SOAP
request to the Document Conversions Launcher Service in a SharePoint server
environment that is using the Document Conversions Load Balancer Service. By
default, the Document Conversions Load Balancer Service and Document
Conversions Launcher Service are not enabled in Microsoft Office SharePoint
Server 2007.
This security update is rated Important for all supported editions of
Microsoft Office SharePoint Server 2007. For more information, see the
subsection, Affected and Non-Affected Software, in this section.
The update addresses the vulnerability by modifying the way that the Document
Conversion Launcher Service validates specially crafted SOAP requests. For
more information about the vulnerability, see the Frequently Asked Questions
(FAQ) subsection for the specific vulnerability entry under the next section,
Vulnerability Information.
Affected Software
Microsoft Office SharePoint Server 2007 Service Pack 2 (32-bit editions)
(KB2433089)
Microsoft Office SharePoint Server 2007 Service Pack 2 (64-bit editions)
(KB2433089)
Vulnerability Information
Malformed Request Code Execution Vulnerability - CVE-2010-3964
A remote code execution vulnerability exists in the way that the Document
Conversions Launcher Service validates SOAP requests before processing on a
SharePoint server. An attacker who successfully exploited this vulnerability
could run arbitrary code on an affected SharePoint server under the security
context of a guest account.
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