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                                   CERT-Renater

                        Note d'Information No. 2009/VULN328
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DATE                      : 12/08/2009

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Windows 2000, Windows XP, Windows Server 2003,
                             Windows Vista, Windows Server 2008
                             running Windows Message Queuing Service.

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KB971032
http://www.microsoft.com/technet/security/bulletin/ms09-040.mspx
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Microsoft Security Bulletin MS09-040 - Important

Vulnerability in Message Queuing Could Allow Elevation of Privilege (971032)

   Published: August 11, 2009

   Version: 1.0

General Information

Executive Summary

   This security update resolves a privately reported vulnerability in
   the Windows Message Queuing Service (MSMQ). The vulnerability could
   allow elevation of privilege if a user received a specially crafted
   request to an affected MSMQ service. By default, the Message Queuing
   component is not installed on any affected operating system edition
   and can only be enabled by a user with administrative privileges. Only
   customers who manually install the Message Queuing component are
   likely to be vulnerable to this issue.

   This security update is rated Important for Microsoft Windows 2000
   Service Pack 4, Windows XP Service Pack 2 and Windows XP Professional
   x64 Edition Service Pack 2; all supported editions of Windows Server
   2003; and Windows Vista and Windows Vista x64 Edition. For more
   information, see the subsection, Affected and Non-Affected Software,
   in this section.

   The security update addresses the vulnerability by modifying the way
   that the MSMQ service validates input data before passing the data to
   the allocated buffer. 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
   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 x64 Edition
   Windows XP Service Pack 3
   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 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

Vulnerability Information

MSMQ Null Pointer Vulnerability - CVE-2009-1922

   An elevation of privilege vulnerability exists in the Windows Message
   Queuing service (MSMQ) due to a specific flaw in the parsing of an
   IOCTL request to the Message Queuing service. The MSMQ service
   improperly checks input data before passing them to the buffer. An
   attacker who successfully exploited this vulnerability could execute
   arbitrary code and take complete control of an affected system. An
   attacker could then install programs; view, change, or delete data; or
   create new accounts with full user rights.




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