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AUSCERT External Security Bulletin Redistribution
ESB-2009.1406
Vulnerability in Indexing Service Could Allow Remote Code Execution
14 October 2009
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AusCERT Security Bulletin Summary
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Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows 2000
Windows XP
Windows Server 2003
Impact/Access: Administrator Compromise -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2009-2507
Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/ms09-057.mspx
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Microsoft Security Bulletin MS09-057 - Important
Vulnerability in Indexing Service Could Allow Remote Code Execution (969059)
Published: October 13, 2009
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in Microsoft
Windows. The vulnerability could allow remote code execution if an attacker
set up a malicious Web page that invokes the Indexing Service through a call
to its ActiveX component. This call could include a malicious URL and exploit
the vulnerability, granting the attacker access to the client system with the
privileges of the user browsing the Web page. Users whose accounts are
configured to have fewer user rights on the system could be less impacted
than users who operate with administrative user rights.
This security update is rated Important for all supported editions of
Microsoft Windows 2000, Windows XP, and Windows Server 2003.
The security update addresses the vulnerability by modifying the way that the
Indexing Service ActiveX control processes URLs. For more information about
the vulnerability, see the Frequently Asked Questions (FAQ) subsection for
the specific vulnerability entry under the next section, Vulnerability
Information.
Recommendation. The majority of customers have automatic updating enabled and
will not need to take any action because this security update will be
downloaded and installed automatically. Customers who have not enabled
automatic updating need to check for updates and install this update manually.
For information about specific configuration options in automatic updating,
see Microsoft Knowledge Base Article 294871.
For administrators and enterprise installations, or end users who want to
install this security update manually, Microsoft recommends that customers
apply the update at the earliest opportunity using update management
software, or by checking for updates using the Microsoft Update service.
Known Issues. None
Affected Software
Microsoft Windows 2000 Service Pack 4
Windows XP Service Pack 2 and Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Vulnerability Information
Memory Corruption in Indexing Service Vulnerability - CVE-2009-2507
A remote code execution vulnerability exists in the Indexing Service on
Windows systems. The vulnerability is due to an ActiveX control included with
the service not properly handling specifically crafted Web content. An attacker
who successfully exploited this vulnerability could take complete control of an
affected system.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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