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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-2009-1533 – Buffer Overflow im MS Works Dateikonverter

Der Dateikonverter von MS Works fuer Windows behandelt bestimmte
Dateitypen falsch. Wird eine manipulierte .wps Datei geoeffnet kann
ein Buffer Overflow ausgeloest werden. Ein entfernter Angreifer kann
diese Schwachstelle ausnutzen um beliebige Befehle mit den Rechten des
Benutzers zur Ausfuehrung zu bringen.

Betroffen sind die folgenden Software Pakete und Plattformen:

Microsoft Office Word 2000 Service Pack 3
Microsoft Office Word 2002 Service Pack 3
Microsoft Office Word 2003 Service Pack 3 mit dem Microsoft Works 6-9
Datei-Konverter
Microsoft Office Word 2003 ist betroffen, wenn ein verwundbarer
Works-Konverter installiert ist
Microsoft Office Word 2007 Service Pack 1
Microsoft Works 8.5
Microsoft Works 9

Alle unterstuetzten Versionen von MS Windows

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
http://www.microsoft.com/technet/security/bulletin/ms09-024.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,
Detlev O. Matthies

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Detlev O. Matthies, M.Sc. (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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===========================================================================
A U S C E R T A L E R T

AL-2009.0050 — AUSCERT ALERT
[Win]
Microsoft Works Converters: Execute Arbitrary Code
10 June 2009

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AusCERT Alert Summary
———————

Product: Microsoft Works Converters
Publisher: Microsoft
Operating System: Windows
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2009-1533

Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/MS09-024.mspx

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Microsoft Security Bulletin MS09-024 – Critical

Vulnerability in Microsoft Works Converters Could Allow Remote Code
Execution (957632)

Published: June 9, 2009

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in the
Microsoft Works converters. The vulnerability could allow remote code
execution if a user opens a specially crafted Works file. An attacker
who successfully exploited this vulnerability 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 supported editions of
Microsoft Office Word 2000. This security update is also rated important
for supported editions of Microsoft Office Word 2002, Microsoft Office
Word 2003 with the Microsoft Works 69 File Converter, and Microsoft
Office Word 2007 Service Pack 1; and Microsoft Works 8.5 and Microsoft
Works 9.

Affected Software

Microsoft Office Word 2000 Service Pack 3
Microsoft Office Word 2002 Service Pack 3
Microsoft Office Word 2003 Service Pack 3 with the
Microsoft Works 6-9 File Converter
(Microsoft Office Word 2003 is affected if a vulnerable Works
converter is installed)
Microsoft Office Word 2007 Service Pack 1
Microsoft Works 8.5
Microsoft Works 9

Vulnerability Information

File Converter Buffer Overflow Vulnerability – CVE-2009-1533

A remote code execution vulnerability exists in the way that the Works for
Windows document converters handle specially crafted Works files. The
vulnerability could allow remote code execution if a user opens a
specially crafted .wps file. 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
registration with AusCERT. The mailing list you are subscribed to is
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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