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[MS] Schwachstelle im Windows Hilfe-System - MS04-015
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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.
Bitte beachten Sie, dass diese Schwachstelle zwar der Schwachstelle in
MS04-011 sehr aehnlich ist, sich aber von dieser unterscheidet.
Der Help und Support Center (HSC) bietet Online-Hilfe an und kann durch
"hcp://" URLs aufgerufen werden. Der HSC beinhaltet einige HTML und
JavaScript Dateien, die in der "My Computer" Zone ausgefuehrt werden.
CAN-2004-0199 - Schwachstelle im Help und Support Center
Ein Angreifer kann durch durch eine entsprechend konstruierte "HCP://"
URL den DVD Upgrade Dialog im Help und Support Center mit einer selbst
vorgegebenen URL aufrufen. Durch diese Schwachstelle wird dann
nachfolgend Skriptcode des Angreifers mit den Rechten des Benuzters
ausgefuehrt("My Computer" Zone).
Die Schwachstelle kann durch eine entsprechend konstruierte HTML Seite
oder HTML E-Mail ausgenutzt werden. Allerdings ist fuer das Ausnuzten
mehrfache Interaktion des Benutzers beim DVD Upgrade Dialog
erforderlich.
Betroffen sind die folgenden Software Pakete und Plattformen:
Windows XP and Windows XP Service Pack 1
Windows XP 64-Bit Edition Service Pack 1
Windows XP 64-Bit Edition Version 2003
Windows Server 2003
Windows Server 2003 64-Bit Edition
Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt:
Falls der Help und Support Center Service deaktiviert ist, beachten
Sie bitte den Knowledge Base Article 841996:
http://support.microsoft.com/default.aspx?scid=kb;en-us;841996
Patches:
Microsoft Windows XP und Microsoft Windows XP SP1 (englisch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/winxp/Security_Bulletins/WindowsXP-KB840374-x86-ENU.EXE
Microsoft Windows XP und Microsoft Windows XP SP1 (deutsch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/winxp/Security_Bulletins/WindowsXP-KB840374-x86-DEU.EXE
Microsoft Windows XP 64-Bit Edition Service Pack 1 (englisch)
Microsoft Windows XP 64-Bit Edition Version 2003 (englisch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/winxp/Security_Bulletins/WindowsXP-KB840374-IA64-ENU.EXE
Microsoft Windows Server 2003 (englisch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/win2003/Security_Bulletins/WindowsServer2003-KB840374-x86-ENU.EXE
Microsoft Windows Server 2003 (deutsch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/win2003/Security_Bulletins/WindowsServer2003-KB840374-x86-DEU.EXE
Microsoft Windows Server 2003 64-Bit Edition (englisch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/win2003/Security_Bulletins/WindowsServer2003-KB840374-IA64-ENU.EXE
Microsoft Windows Server 2003 64-Bit Edition (deutsch)
ftp://ftp.cert.dfn.de/pub/vendor/microsoft/win2003/Security_Bulletins/WindowsServer2003-KB840374-IA64-DEU.EXE
(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,
Jan Kohlrausch, DFN-CERT
- --
Jan Kohlrausch (CSIRT), DFN-CERT Services GmbH
Web: https://www.dfn-cert.de/, Phone: +49-40-808077-555
PGP RSA/2048, A5DD03D1, A2 55 1C 51 0A 30 3E 78 5B 40 DA B7 14 F7 C9 E8
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Title: Microsoft Windows Security Bulletin Summary for
May 2004
Issued: May 11, 2004
Version Number: 1.0
Bulletin:
http://www.microsoft.com/technet/security/bulletin/winmay04.mspx
********************************************************************
Summary:
========
Included in this advisory are updates for newly discovered
vulnerabilities in Microsoft Windows. These vulnerabilities,
broken down by severity are:
** Important Security Bulletins
MS04-015 - Vulnerability in Help and Support Center Could Allow
Remote Code Execution (840374)
- Affected Software:
- Windows XP and Windows XP Service Pack 1
- Windows XP 64-Bit Edition Service Pack 1
- Windows XP 64-Bit Edition Version 2003
- Windows Server 2003
- Windows Server 2003 64-Bit Edition
- Impact: Remote Code Execution
- Version Number: 1.0
Update Availability:
===================
Updates are available to fix these vulnerabilities.
For additional information, including Technical Details,
Workarounds, answers to Frequently Asked Questions, and Update
Deployment Information please read the Microsoft Windows Security
Bulletin Summary for this month at:
http://www.microsoft.com/technet/security/bulletin/winmay04.mspx
Support:
========
Technical support is available from Microsoft Product Support
Services at 1-866-PC SAFETY (1-866-727-2338). There is no
charge for support calls associated with security updates.
International customers can get support from their local Microsoft
subsidiaries. Phone numbers for international support can be found
at: http://support.microsoft.com/common/international.aspx
Additional Resources:
=====================
* Microsoft has created a free monthly e-mail newsletter containing
valuable information to help you protect your network. This
newsletter provides practical security tips, topical security
guidance, useful resources and links, pointers to helpful
community resources, and a forum for you to provide feedback
and ask security-related questions.
You can sign up for the newsletter at:
http://www.microsoft.com/technet/security/secnews/default.mspx
* Microsoft has created a free e-mail notification service that
serves as a supplement to the Security Notification Service
(this e-mail). It provides timely notification of any minor
changes or revisions to previously released Microsoft Security
Bulletins. This new service provides notifications that are
written for IT professionals and contain technical information
about the revisions to security bulletins.
Visit http://www.microsoft.com to subscribe to this service:
- Click on Subscribe at the top of the page.
- This will direct you via Passport to the Subscription center.
- Under Newsletter Subscriptions you can sign up for the
"Microsoft Security Notification Service: Comprehensive Version".
* Join Microsoft's webcast for a live discussion of the technical
details of the this months security bulletins and steps you
can take to protect your environment. Details about the live
webcast can be found at:
http://go.microsoft.com/fwlink/?LinkId=27513
The on-demand version of the webcast will be available 24 hours
after the live webcast at:
http://go.microsoft.com/fwlink/?LinkId=27513
* Protect your PC: Microsoft has provided information on how you
can help protect your PC at the following locations:
http://www.microsoft.com/security/protect/
If you receive an e-mail that claims to be distributing a
Microsoft security update, it is a hoax that may be distributing a
virus. Microsoft does not distribute security updates via e-mail.
You can learn more about Microsoft's software distribution
policies here:
http://www.microsoft.com/technet/security/topics/policy/swdist.mspx
Acknowledgments:
================
Microsoft thanks the following for working with us to protect
customers:
* Donnie Werner of ExploitLabs.com for reporting the DVD
upgrade issue that has been addressed as part of the MS04-015
security update.(http://www.exploitlabs.com)
Revisions:
==========
* V1.0 May 11, 2004: Bulletin Created.
********************************************************************
Protect your PC: Microsoft has provided information on how you
can help protect your PC at the following locations:
http://www.microsoft.com/security/protect/
If you receive an e-mail that claims to be distributing a
Microsoft security update, it is a hoax that may be distributing a
virus. Microsoft does not distribute security updates via e-mail.
You can learn more about Microsoft's software distribution
policies here:
http://www.microsoft.com/technet/security/topics/policy/swdist.mspx
********************************************************************
********************************************************************
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PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT
DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING
THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE
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