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AUSCERT External Security Bulletin Redistribution
ESB-2009.1050
Cumulative Security Update of ActiveX Kill Bits (973346)
15 July 2009
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AusCERT Security Bulletin Summary
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Product: ActiveX
Publisher: Microsoft
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch
CVE Names: CVE-2008-0015
Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/ms09-032.mspx
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Microsoft Security Bulletin MS09-032 - Critical
Cumulative Security Update of ActiveX Kill Bits (973346)
Published: July 14, 2009
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability that is
currently being exploited. The vulnerability in Microsoft Video ActiveX
Control could allow remote code execution if a user views a specially
crafted Web page with Internet Explorer, instantiating the ActiveX
control. This ActiveX control was never intended to be instantiated in
Internet Explorer. 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 and Moderate for all supported editions of Windows Server
2003. For more information, see the subsection, Affected and Non-Affected
Software, in this section.
The security update addresses the vulnerability by setting a kill bit so
that the vulnerable control does not run in Internet Explorer. For more
information about the vulnerability, see the Frequently Asked Questions
(FAQ) subsection under the next section, Vulnerability Information.
This security update also addresses the vulnerability first described in
Microsoft Security Advisory 972890.
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 immediately using update management software,
or by checking for updates using the Microsoft Update service.
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
Windows Vista, Windows Vista Service Pack 1, and Windows Vista Service
Pack 2
Windows Vista x64 Edition, 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 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 Server 2008 server core installation not affected. The
vulnerability addressed by this update does not affect supported
editions of Windows Server 2008 if Windows Server 2008 was installed
using the Server Core installation option. For more information on this
installation option, see Server Core. Note that the Server Core
installation option does not apply to certain editions of Windows Server
2008; see Compare Server Core Installation Options.
Vulnerability Information
Microsoft Video ActiveX Control Vulnerability - CVE-2008-0015
A remote code execution vulnerability exists in the Microsoft Video
ActiveX Control, msvidctl.dll. An attacker could exploit the
vulnerability by constructing a specially crafted Web page. When a user
views the Web page, the vulnerability could allow remote code execution.
An attacker who successfully exploited this vulnerability could gain the
same user rights as the logged on user.
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
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NOTE: This is only the original release of the security bulletin. It may
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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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