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             AUSCERT External Security Bulletin Redistribution

        Windows kernel vulnerability via crafted TrueType font file
                             15 December 2011


        AusCERT Security Bulletin Summary

Product:           Windows
Publisher:         Microsoft
Operating System:  Windows XP
                   Windows 7
                   Windows Vista
                   Windows Server 2003
                   Windows Server 2008
                   Windows Server 2008 R2
Impact/Access:     Administrator Compromise -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-3402  

Reference:         ESB-2011.1106

Original Bulletin: 

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 
Execution (2639417)

Published Date: December 13, 2011

Version: 1.0

General Information

Executive Summary 

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. 

Affected Software:

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.

Vulnerability Information:

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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