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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0657
          Vulnerability in Microsoft Data Access Components Could
                   Allow Remote Code Execution (2698365)
                               10 July 2012

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Microsoft Data Access Components
Publisher:         Microsoft
Operating System:  Windows XP
                   Windows Server 2003
                   Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-1891  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/MS12-045

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Microsoft Security Bulletin MS12-045 - Critical

Vulnerability in Microsoft Data Access Components Could Allow Remote Code 
Execution (2698365)

Published Date: July 10, 2012

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft
Windows. The vulnerability could allow remote code execution if a user views a 
specially crafted webpage. An attacker who successfully exploited this 
vulnerability could gain the same user rights as the current user. 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.

This security update is rated Critical for all supported editions of Windows 
XP, Windows Vista, and Windows 7; and Moderate for all supported editions of 
Windows Server 2003, Windows Server 2008, and Windows Server 2008 R2. For more 
information, see the subsection, Affected and Non-Affected Software, in this 
section.

Affected Software

Microsoft Data Access Components 2.8 Service Pack 1
Microsoft Data Access Components 2.8 Service Pack 2
Windows Data Access Components 6.0
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

Vulnerability Information

ADO Cachesize Heap Overflow RCE Vulnerability - CVE-2012-1891

A remote code execution vulnerability exists in the way that Microsoft Data 
Access Components accesses an object in memory that has been improperly 
initialized. An attacker who successfully exploited this vulnerability could 
run arbitrary code on the target system. An attacker could then install 
programs; view, change, or delete data; or create new accounts with full user 
rights.

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