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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-2010-0243 – Schwachstelle in Microsoft Office erlaubt
Codeausfuehrung

Eine Schwachstelle in der zu Microsoft Office gehoerenden Bibliothek
‘MSO.dll’ fuehrt beim Oeffnen von speziell praeparierten
Office-Dokumenten zu einem Buffer Overflow. Gelingt es einem Angreifer
diese Schwachstelle ausnutzen, indem er einen Benutzer dazu bringt,
ein modifiziertes Office-Dokument zu oeffnen, so kann er auf dem System
beliebige Befehle mit den Rechten dieses Benutzers ausfuehren.

Betroffen sind die folgenden Software Pakete und Plattformen:

Microsoft Office XP Service Pack 3
Microsoft Office 2004 fuer Mac

Alle Plattformen fuer die Microsoft Office verfuegbar ist.

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
http://www.microsoft.com/technet/security/bulletin/MS10-003.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

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

DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone +49 40 808077-590
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
Sachsenstrasse 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski

17. DFN Workshop “Sicherheit in vernetzten Systemen” 09./10.02.2010
Informationen unter https://www.dfn-cert.de/veranstaltungen/workshop.html

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AUSCERT External Security Bulletin Redistribution

ESB-2010.0130
Vulnerability in Microsoft Office (MSO) Could Allow Remote Code Execution
10 February 2010

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AusCERT Security Bulletin Summary
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Product: Microsoft Office XP
Microsoft Office 2004 for Mac
Publisher: Microsoft
Operating System: Windows
Mac OS X
Impact/Access: Execute Arbitrary Code/Commands — Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2010-0243

Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/MS10-003.mspx

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Microsoft Security Bulletin MS10-003 – Important

Vulnerability in Microsoft Office (MSO) Could Allow Remote Code
Execution (978214)

Published: February 09, 2010

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in
Microsoft Office that could allow remote code execution if a user
opens a specially crafted Office file. An attacker who successfully
exploited this vulnerability could 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. 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 Important for all supported editions of
Microsoft Office XP and Microsoft Office 2004 for Mac.

The update addresses the vulnerability by modifying the way that
Microsoft Office opens files.

Recommendation. Microsoft recommends that customers apply the update
at the earliest opportunity.

Known Issues. None

Affected Software

Microsoft Office XP Service Pack 3
Microsoft Office 2004 for Mac

Vulnerability Information

MSO.DLL Buffer Overflow – CVE-2010-0243

A remote code execution vulnerability exists in the way Microsoft
Office handles specially crafted Office files. An attacker who
successfully exploited this vulnerability could 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.
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.

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You have received this e-mail bulletin as a result of your organisation’s
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maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

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
site policies and procedures. AusCERT takes no responsibility for consequences
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
in the Security Bulletin above. If you have any questions or need further
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@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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