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AUSCERT External Security Bulletin Redistribution
Windows kernel vulnerability via crafted TrueType font file
15 December 2011
AusCERT Security Bulletin Summary
Operating System: Windows XP
Windows Server 2003
Windows Server 2008
Windows Server 2008 R2
Impact/Access: Administrator Compromise -- Remote with User Interaction
CVE Names: CVE-2011-3402
Comment: This vulnerability is related to the Duqu malware.
Revision History: December 15 2011: Added comment and reference
December 14 2011: Initial Release
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Microsoft Security Bulletin MS11-087 - Critical
Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code
Published Date: December 13, 2011
This security update resolves a publicly disclosed vulnerability in Microsoft
Windows. The vulnerability could allow remote code execution if a user opens a
specially crafted document or visits a malicious Web page that embeds TrueType
font files. This security update is rated Critical for all supported releases
of Microsoft Windows. The security update addresses the vulnerability by modifying
the way that a Windows kernel-mode driver handles TrueType font files.
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 SystemsWindows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2**
Windows Server 2008 for x64-based Systems Service Pack 2**
Windows Server 2008 for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based
Systems Service Pack 1**
Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for
Itanium-based Systems Service Pack 1
**Server Core installation not affected. The vulnerabilities addressed by this
update do not affect supported editions of Windows Server 2008 or Windows Server
2008 R2 as indicated, when installed using the Server Core installation option.
TrueType Font Parsing Vulnerability - CVE-2011-3402
A remote code execution vulnerability exists in the Windows kernel due to improper
handling of a specially crafted TrueType font file. The vulnerability could allow
an attacker to run code in kernel-mode and then install programs; view, change, or
delete data; or create new accounts with full administrative rights.
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