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             AUSCERT External Security Bulletin Redistribution

         Microsoft Security Advisory (2719662) Vulnerabilities in
                 Gadgets Could Allow Remote Code Execution
                               11 July 2012


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows Vista
                   Windows 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Mitigation

Original Bulletin: 

Comment: While there is no patch to correct this issue, Microsoft is providing
         mitigation for the problem in the form of an automated Microsoft Fix 
         it solution that disables the Windows Sidebar and Gadgets on supported 
         editions of Windows Vista and Windows 7.

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Microsoft Security Advisory (2719662)
Vulnerabilities in Gadgets Could Allow Remote Code Execution

Published: Tuesday, July 10, 2012

Version: 1.0

General Information

Executive Summary

Microsoft is announcing the availability of an automated Microsoft Fix it 
solution that disables the Windows Sidebar and Gadgets on supported editions 
of Windows Vista and Windows 7. Disabling the Windows Sidebar and Gadgets can 
help protect customers from vulnerabilities that involve the execution of 
arbitrary code by the Windows Sidebar when running insecure Gadgets. In 
addition, Gadgets installed from untrusted sources can harm your computer and 
can access your computer's files, show you objectionable content, or change 
their behavior at any time.

An attacker who successfully exploited a Gadget vulnerability could run 
arbitrary code in the context of the current user. If the current user is 
logged on with administrative user rights, an attacker could take complete 
control of the 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.

Applying the automated Microsoft Fix It solution described in Microsoft 
Knowledge Base Article 2719662 disables the Windows Sidebar experience and all 
Gadget functionality.

Recommendation. Customers who are concerned about vulnerable or malicious 
Gadgets should apply the automated Fix It solution as soon as possible. For
more information, see the Suggested Actions section of this advisory.

Affected Software

Windows Vista Service Pack 2
Windows Vista x64 Edition 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

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