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AUSCERT External Security Bulletin Redistribution
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow
Remote Code Execution
15 February 2012
AusCERT Security Bulletin Summary
Product: Microsoft Windows
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-2012-0154 CVE-2011-5046
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Microsoft Security Bulletin MS12-008 - Critical
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code
Published Date: February 14, 2012
This security update resolves a privately reported vulnerability and a
publicly disclosed vulnerability in Microsoft Windows. The more severe of these
vulnerabilities could allow remote code execution if a user visits a website
containing specially crafted content or if a specially crafted application is
run locally. An attacker would have no way to force users to visit a malicious
website. Instead, an attacker would have to convince users to visit the
website, typically by getting them to click a link in an email message or
Instant Messenger message that takes them to the attacker's website.
This security update is rated Critical for all supported releases of Microsoft
Windows. For more information, see the subsection, Affected Software, in this
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
Windows 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
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
****Server Core installation affected. This update applies, with a lower
severity rating, to supported editions of Windows Server 2008 or Windows Server
2008 R2 as indicated, when installed using the Server Core installation option.
For more information on this installation option, see the TechNet articles,
Managing a Server Core Installation and Servicing a Server Core Installation.
Note that the Server Core installation option does not apply to certain
editions of Windows Server 2008 and Windows Server 2008 R2; see Compare Server
Core Installation Options.
GDI Access Violation Vulnerability - CVE-2011-5046
A remote code execution vulnerability exists in the Windows kernel due to
improper validation of input passed from user mode through the kernel component
of GDI. 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.
Keyboard Layout Use After Free Vulnerability - CVE-2012-0154
An elevation of privilege vulnerability exists due to the way that the Windows
kernel-mode driver manages specific keyboard layouts. An attacker who
successfully exploited this vulnerability could run arbitrary code in kernel
mode. An attacker could then install programs; view, change, or delete data;
or create new accounts with full administrative rights.
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