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AUSCERT External Security Bulletin Redistribution
ESB-2011.0814
Vulnerability in Data Access Components Could Allow Remote Code Execution
10 August 2011
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AusCERT Security Bulletin Summary
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Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows 7
Windows Server 2008 R2
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2011-1975
Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/MS11-059.mspx
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Microsoft Security Bulletin MS11-059 - Important
Vulnerability in Data Access Components Could Allow Remote Code Execution (2560656)
Published: August 09, 2011
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 a user opens a legitimate Excel file (such as a .xlsx file) that is
located in the same network directory as a specially crafted library
file. An attacker who successfully exploited this vulnerability could
gain the same user rights as the logged-on user. 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
Windows 7 and Windows Server 2008 R2. For more information, see the
subsection, Affected and Non-Affected Software, in this section.
Affected Software
Windows 7 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Vulnerability Information
Data Access Components Insecure Library Loading Vulnerability - CVE-2011-1975
A remote code execution vulnerability exists in the way that the
Windows Data Access Tracing component handles the loading of DLL files.
An attacker who successfully exploited this vulnerability could take
complete control of an affected system. An attacker could then install
programs; view, change, or delete data; or create new accounts with
full user rights. 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.
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