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[MS] Schwachstellen in der Windows Media Runtime - MS09-051

To: win-sec-ssc@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: [MS] Schwachstellen in der Windows Media Runtime - MS09-051
From: WiN Site Security Contacts <win-sec-ssc@xxxxxxxxxxxxxxxxx>
Date: Wed, 14 Oct 2009 12:54:42 +0200 (CEST)
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Liebe Kolleginnen und Kollegen,

soeben erreichte uns nachfolgende Warnung des Microsoft Product Security
Notification Service. Wir geben diese Informationen unveraendert an Sie
weiter.


Die Microsoft Windows Media Runtime wird von verschiedenen Programmen
fuer die Wiedergabe von Media Daten verwendet zum Beispiel vom Windows
Media Player.


CVE-2009-0555 - Ungenuegende Ueberpruefung von Werten im Advanced
Systems Format (ASF)

  In der Microsoft Windows Media Runtime werden im Advanced Systems
  Format (ASF) die Angaben fuer die Sample Rate von Windows Media Voice
  Frames nicht ausreichend ueberprueft. Ein entfernter Angreifer kann
  diese Schwachstelle zum Ausfuehren beliebiger Befehle mit den Rechten
  des Anwenders ausnutzen, wenn er diesen dazu bringt eine entsprechend
  aufgebaute ASF Datei z.B. mit dem Windows Media Player zu oeffnen.

CVE-2009-2525 - Nicht ausreichende Intialisierung von Funktionen in der
Microsoft Windows Media Runtime

  In der Microsoft Windows Media Runtime werden nicht benannte
  Funktionen fuer die Verarbeitung von komprimierten Audio Daten nicht
  ausreichend initialisiert. Ein entfernter Angreifer kann diese
  Schwachstellen zum Ausfuehren beliebiger Befehle mit den Rechten des
  Anwenders ausnutzen, indem er diesen dazu bring eine entsprechend
  aufgebaute Datei zu oeffnen (z.B. beim Besuchen einer Webseite).

Betroffen sind die folgenden Software Pakete und Plattformen:

  Microsoft Windows Media Runtime
  DirectShow WMA Voice Codec
  Windows Media Audio Voice Decoder
  Audio Compression Manager

  Microsoft Windows 2000 Service Pack 4
  Windows XP Service Pack 2
  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 Vista, Windows Vista Service Pack 1
  Windows Vista Service Pack 2
  Windows Vista x64 Edition und Windows Vista x64 Edition Service Pack 1
  Windows Vista x64 Edition Service Pack 2
  Windows Server 2008 fuer 32-bit Systems
  Windows Server 2008 fuer 32-bit Systems Service Pack 2
  Windows Server 2008 fuer x64-based Systems
  Windows Server 2008 fuer x64-based Systems Service Pack 2

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
  http://www.microsoft.com/technet/security/bulletin/ms09-051.mspx


(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.

Mit freundlichen Gruessen,
	Torsten Voss

- --
 
Dipl.-Ing.(FH) Torsten Voss (Incident Response Team)

DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone  +49 40 808077-555
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.:  DE 232129737
Sachsenstrasse 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski

Automatische Warnmeldungen               https://www.cert.dfn.de/autowarn

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1400
Vulnerabilities in Windows Media Runtime Could Allow Remote Code Execution
                              14 October 2009

===========================================================================

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

Product:           Windows Media Runtime
Publisher:         Microsoft
Operating System:  Windows 2000
                   Windows XP
                   Windows Server 2003
                   Windows Vista
                   Windows Server 2008
Impact/Access:     Administrator Compromise -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-0555  

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/ms09-051.mspx

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Microsoft Security Bulletin MS09-051 - Critical

Vulnerabilities in Windows Media Runtime Could Allow Remote Code Execution 
(975682)

Published: October 13, 2009

Version: 1.0

General Information

Executive Summary

  This security update resolves two privately reported vulnerabilities in 
  Windows Media Runtime. The vulnerabilities could allow remote code execution 
  if a user opened a specially crafted media file or received specially crafted 
  streaming content from a Web site or any application that delivers Web 
  content. An attacker who successfully exploited these vulnerabilities could 
  gain the same user rights as the local 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 DirectShow WMA Voice Codec, 
  Windows Media Audio Voice Decoder, and Audio Compression Manager on supported 
  editions of Microsoft Windows 2000; Windows XP; Windows Server 2003, except 
  for Itanium-based editions; Windows Vista; and Windows Server 2008, except 
  for Itanium-based editions. For more information, see the subsection, 
  Affected and Non-Affected Software, in this section.

  The security update addresses the vulnerabilities by changing the manner in 
  which the Windows Media Runtime processes ASF files and initializes functions 
  in compressed audio files. For more information about the vulnerabilities, 
  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 immediately 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: DirectShow WMA Voice Codec, Windows 
  Media Audio Voice Decoder, Audio Compression Manager

  Windows XP Service Pack 2 and Windows XP Service Pack 3: DirectShow WMA Voice 
  Codec, Windows Media Audio Voice Decoder Audio Compression Manager

  Windows XP Professional x64 Edition Service Pack 2: DirectShow WMA Voice 
  Codec, Windows Media Audio Voice Decoder, Windows Media Audio Voice Decoder 
  in Windows Media Format SDK 9.5 x64 Edition, Windows Media Audio Voice 
  Decoder in Windows Media Format SDK 11, Audio Compression Manager

  Windows Server 2003 Service Pack 2: DirectShow WMA Voice Codec, Windows Media 
  Audio Voice Decoder, Audio Compression Manager

  Windows Server 2003 x64 Edition Service Pack 2: DirectShow WMA Voice Codec, 
  Windows Media Audio Voice Decoder, Windows Media Audio Voice Decoder in 
  Windows Media Format SDK 9.5 x64 Edition, Audio Compression Manager

  Windows Vista, Windows Vista Service Pack 1, and Windows Vista Service 
  Pack 2: Windows Media Audio Voice Decoder

  Windows Vista x64 Edition, Windows Vista x64 Edition Service Pack 1, and 
  Windows Vista x64 Edition Service Pack 2: Windows Media Audio Voice Decoder

  Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit 
  Systems Service Pack 2 (Windows Server 2008 Server Core installation not 
  affected): Windows Media Audio Voice Decoder

  Windows Server 2008 for x64-based Systems and Windows Server 2008 for 
  x64-based Systems Service Pack 2 (Windows Server 2008 Server Core 
  installation not affected): Windows Media Audio Voice Decoder

Vulnerability Information

Windows Media Runtime Voice Sample Rate Vulnerability - CVE-2009-0555

  A remote code execution vulnerability exists in Windows Media Player due 
  to the improper processing of specially crafted Advanced Systems Format 
  (ASF) files. An attacker could exploit the vulnerability by constructing a 
  specially crafted audio file that could allow remote code execution when 
  played using an affected version of Windows Media Player. An attacker who 
  successfully exploited this vulnerability could take complete control of an 
  affected system.

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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
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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
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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

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

Internet Email: auscert@xxxxxxxxxxxxxx
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
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                On call after hours for member emergencies only.
===========================================================================
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