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[MS] Mehrere Schwachstellen im Microsoft Windows Kernel - MS09-058



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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.

CVE-2009-2515 - Integer Underflow Schwachstelle im Microsoft Windows
Kernel

  Im Microsoft Windows Kernel kann bei der Kuerzung von 64-Bit auf
  32-Bit Werten ein Integer Underflow Fehler auftreten. Ein lokaler
  Angreifer kann diese Schwachstelle zum Ausfuehren von beliebigen
  Befehlen mit SYSTEM Rechten ausnutzen, in dem er ein einsprechend
  aufgebautes Programm ausfuehrt.

CVE-2009-2516 - NULL Pointer Dereferenzierung im Windows Kernel

  In dem Microsoft Windows Kernel werden bestimmte Daten vom User Mode
  an den Kernel nicht ausreichend ueberprueft und dadurch kann eine NULL
  Pointer Dereferenzierung ausgeloest werden. Ein lokaler Angreifer kann
  diese Schwachstelle zum Ausfuehren beliebiger Befehle mit SYSTEM
  Rechten, wenn er ein entsprechend aufgebautes Programm startet.

CVE-2009-2517 - Schwachstelle im Windows Kernel bei der
Ausnahmebehandlung

  In dem Microsoft Windows Kernel werden bestimmte Fehlerbehandlungen
  nicht korrekt durchgefuehrt. Diese Schwachstelle kann ein lokaler
  Angreifer zum Neustart des Systems ausnutzen (Denial of Service), in
  dem er ein entsprechend aufgebautes Programm auf dem System ausfuehrt.

Betroffen sind die folgenden Software Pakete und Plattformen:

  Microsoft Windows Kernel

  Microsoft Windows 2000 Service Pack 4
  Windows XP Service Pack 2 und 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 fuer Itanium-based Systems
  Windows Vista und 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
  Windows Server 2008 fuer Itanium-based Systems
  Windows Server 2008 fuer Itanium-based Systems Service Pack 2

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
  http://www.microsoft.com/technet/security/bulletin/ms09-058.mspx


(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
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gestattet.

Mit freundlichen Gruessen,
        Detlev O. Matthies

- --

Detlev O. Matthies, M.Sc. (Incident Response Team)

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

                               ESB-2009.1407
   Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege
                              14 October 2009

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

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

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows 2000
                   Windows XP
                   Windows Server 2003
                   Windows Vista
                   Windows Server 2008
Impact/Access:     Administrator Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2009-2517 CVE-2009-2516 CVE-2009-2515

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/ms09-058.mspx

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Microsoft Security Bulletin MS09-058 - Important

Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (971486)

Published: October 13, 2009

Version: 1.0

General Information

Executive Summary

  This security update resolves several privately reported vulnerabilities in 
  the Windows kernel. The most severe of the vulnerabilities could allow 
  elevation of privilege if an attacker logged on to the system and ran a 
  specially crafted application. An attacker must have valid logon credentials 
  and be able to log on locally to exploit any of these vulnerabilities. The 
  vulnerabilities could not be exploited remotely or by anonymous users.

  This security update is rated Important for supported editions of Microsoft 
  Windows 2000, Windows XP, Windows Server 2003, Windows Vista, and Windows 
  Server 2008; and Moderate for Service Pack 2 for all editions of Windows 
  Vista and Windows Server 2008. For more information, see the subsection, 
  Affected and Non-Affected Software, in this section.

  The security update addresses the vulnerabilities by ensuring that the 
  Windows kernel truncates 64-bit values properly, ensuring that the Windows 
  kernel properly validates data within an executable, and ensuring that the 
  Windows kernel cleans up exceptions under error conditions.

  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

  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 Server Core installation 
  affected)

  Windows Server 2008 for x64-based Systems and Windows Server 2008 for 
  x64-based Systems Service Pack 2 (Windows Server 2008 Server Core
  installation affected)

  Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for 
  Itanium-based Systems Service Pack 2

Vulnerability Information

Windows Kernel Integer Underflow Vulnerability - CVE-2009-2515

  An elevation of privilege vulnerability exists in the Windows kernel due to 
  the incorrect truncation of a 64-bit value to a 32-bit value. An attacker 
  who successfully exploited this vulnerability could run arbitrary code in 
  kernel mode. An attacker could then install programs; view, change, or 
  delete data; or create new accounts with full user rights.

Windows Kernel NULL Pointer Dereference Vulnerability - CVE-2009-2516

  An elevation of privilege vulnerability exists in the Windows kernel due to 
  the insufficient validation of certain data passed from user mode. An 
  attacker who successfully exploited this vulnerability could run arbitrary 
  code in kernel mode. An attacker could then install programs; view, change, 
  or delete data; or create new accounts with full user rights.

Windows Kernel Exception Handler Vulnerability - CVE-2009-2517

  A denial of service vulnerability exists in the Windows kernel because of 
  the way the kernel handles certain exceptions. An attacker could exploit 
  the vulnerability by running a specially crafted application causing the 
  system to restart.

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Incident Reporting Form at:

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===========================================================================
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The University of Queensland
Brisbane
Qld 4072

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