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ESB-2009.1406 - ALERT [Win] Microsoft Windows: Administrator compromise - Remote with user interaction

Date: 14 October 2009

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1406
    Vulnerability in Indexing Service Could Allow Remote Code Execution
                              14 October 2009

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

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows 2000
                   Windows XP
                   Windows Server 2003
Impact/Access:     Administrator Compromise -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-2507  

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/ms09-057.mspx

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Microsoft Security Bulletin MS09-057 - Important

Vulnerability in Indexing Service Could Allow Remote Code Execution (969059)

Published: October 13, 2009

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 an attacker 
  set up a malicious Web page that invokes the Indexing Service through a call 
  to its ActiveX component. This call could include a malicious URL and exploit 
  the vulnerability, granting the attacker access to the client system with the 
  privileges of the user browsing the Web page. 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 Important for all supported editions of 
  Microsoft Windows 2000, Windows XP, and Windows Server 2003. 

  The security update addresses the vulnerability by modifying the way that the 
  Indexing Service ActiveX control processes URLs. For more information about 
  the vulnerability, see the Frequently Asked Questions (FAQ) subsection for 
  the specific vulnerability entry under the next section, Vulnerability 
  Information.

  Recommendation.  The majority of customers have automatic updating enabled and 
  will not need to take any action because this security update will be 
  downloaded and installed automatically. Customers who have not enabled 
  automatic updating need to check for updates and install this update manually. 
  For information about specific configuration options in automatic updating, 
  see Microsoft Knowledge Base Article 294871.

  For administrators and enterprise installations, or end users who want to 
  install this security update manually, Microsoft recommends that customers 
  apply the update at the earliest opportunity using update management 
  software, or by checking for updates using the Microsoft Update service.

  Known Issues. None

Affected Software

  Microsoft Windows 2000 Service Pack 4 

  Windows XP Service Pack 2 and 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

Vulnerability Information

Memory Corruption in Indexing Service Vulnerability - CVE-2009-2507

  A remote code execution vulnerability exists in the Indexing Service on 
  Windows systems. The vulnerability is due to an ActiveX control included with 
  the service not properly handling specifically crafted Web content. An attacker 
  who successfully exploited this vulnerability could take complete control of an 
  affected system.

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You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
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receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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