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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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