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AUSCERT External Security Bulletin Redistribution
ESB-2009.0356 -- [Win]
Windows SearchPath: Increased Privileges
15 April 2009
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AusCERT Security Bulletin Summary
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Product: Windows 2000 Service Pack 4
Windows XP Service Pack 2
Windows XP Service Pack 3
Windows XP Professional x64 Edition
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 1
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP1 for Itanium-based
Systems
Windows Server 2003 with SP2 for Itanium-based
Systems
Windows Vista
Windows Vista Service Pack 1
Windows Vista x64 Edition
Windows Vista x64 Edition Service Pack 1
Windows Server 2008 for 32-bit Systems*
Windows Server 2008 for x64-based Systems*
Windows Server 2008 for Itanium-based Systems
Publisher: Microsoft
Operating System: Windows
Impact: Increased Privileges
Access: Existing Account
CVE Names: CVE-2008-2540
Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS09-015.mspx
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Microsoft Security Bulletin MS09-015 Moderate
Blended Threat Vulnerability in SearchPath Could Allow Elevation of
Privilege (959426)
Published: April 14, 2009
Version: 1.0
General Information
Executive Summary
This security update resolves a publicly disclosed vulnerability in the
Windows SearchPath function that could allow elevation of privilege if a
user downloaded a specially crafted file to a specific location, then
opened an application that could load the file under certain circumstances.
This security update is rated Moderate for all supported editions of
Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008.
On Microsoft Windows 2000, this update is only classified as a
defense-in-depth change. Details are available in the section, Frequently
Asked Questions (FAQ) Related to This Security Update. For more
information, see the subsection, Affected and Non-Affected Software, in
this section.
The security update addresses the vulnerability by modifying the way that
Windows loads files from the desktop. 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 Windows 2000 Service Pack 4
Windows XP Service Pack 2 and Windows XP Service Pack 3
Windows XP Professional x64 Edition
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 1
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server
2003 with SP2 for Itanium-based Systems
Windows Vista and Windows Vista Service Pack 1
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
Windows Server 2008 for 32-bit Systems*
Windows Server 2008 for x64-based Systems*
Windows Server 2008 for Itanium-based Systems
*Windows Server 2008 server core installation affected.
Vulnerability Information
Blended Threat Elevation of Privilege Vulnerability - CVE-2008-2540
A blended threat elevation of privilege vulnerability exists in the way the
SearchPath function in Windows locates and opens files on the system. An
attacker could exploit the vulnerability by convincing a user to download a
specially crafted file to a specific location, and then open an application
that could load the file under certain circumstances.
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The University of Queensland
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Qld 4072
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