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AUSCERT External Security Bulletin Redistribution
ESB-2011.0420
Vulnerability in JScript and VBScript Scripting Engines
Could Allow Remote
Code Execution (2514666)
13 April 2011
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AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows XP
Windows Server 2003
Windows Vista
Windows Server 2008
Windows 7
Impact/Access: Administrator Compromise -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2011-0663
Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS11-031.mspx
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Microsoft Security Bulletin MS11-031 - Critical
Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote
Code Execution (2514666)
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in the JScript
and VBScript scripting engines. The vulnerability could allow remote code
execution if a user visited a specially crafted Web site. An attacker would
have no way to force users to visit the Web site. Instead, an attacker would
have to convince users to visit the Web site, typically by getting them to
click a link in an e-mail message or Instant Messenger message that takes
users to the attacker's Web site.
This security update is rated Critical for all supported editions of Microsoft
Windows. For more information, see the subsection, Affected and Non-Affected
Software, in this section.
Affected Software
Windows XP Service Pack 3
Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista Service Pack 1 and Windows Vista Service Pack 2
Windows Vista Service Pack 1 and Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition
Service Pack 2
Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition
Service Pack 2
Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit
Systems Service Pack 2
Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit
Systems Service Pack 2
Windows Server 2008 for x64-based Systems and Windows Server 2008 for
x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems and Windows Server 2008 for
x64-based Systems Service Pack 2
Windows Server 2008 for Itanium-based Systems and 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
Vulnerability Information
Scripting Memory Reallocation Vulnerability - CVE-2011-0663
A remote code execution vulnerability exists in the JScript and VBScript
scripting engines due to a memory corruption error. 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 user rights.
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