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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-2010-2562 – Schwachstelle in Microsoft Excel 2002 (Office XP)

In Microsoft Excel 2002 (Office XP) werden PivotTable Cache Data
Eintraege nicht richtig verarbeitet. Beim Oeffnen einer *.xls Datei
mit einem cfdbTot Eintrag vom Wert 0, kann ein stack-basierter
Buffer-Overflow ausgeloest werden. Ein entfernter Angreifer kann
diese Schwachstelle ausnutzen, um beliebige Befehle mit den Rechten
des Anwenders zur Ausfuehrung zu bringen, wenn es ihm gelingt diesen
zum Oeffnen einer manipulierten *.xls Datei zu verleiten.

Betroffen sind die folgenden Software Pakete und Plattformen:

Microsoft Office XP Komponente: Excel 2002
Microsoft Office 2003 Komponente: Excel 2003
Microsoft Office 2004 fuer Mac
Microsoft Office 2008 fuer Mac
Open XML File Format Converter fuer Mac

Microsoft Windows
Apple MacOS

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

(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

– —

Detlev O. Matthies, M.Sc. (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

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

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AUSCERT External Security Bulletin Redistribution

ESB-2010.0715
Vulnerability in Microsoft Office Excel Could Allow Remote
Code Execution (2269707)
11 August 2010

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

AusCERT Security Bulletin Summary
———————————

Product: Microsoft Office Excel 2002 Service Pack 3
Microsoft Office Excel 2003 Service Pack 3
Microsoft Office 2004 for Mac
Microsoft Office 2008 for Mac
Open XML File Format Converter for Mac
Publisher: Microsoft
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands — Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2010-2562

Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS10-057.mspx

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Microsoft Security Bulletin MS10-057 – Important

Vulnerability in Microsoft Office Excel Could Allow Remote Code Execution (2269707)

Published: August 10, 2010
Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft
Office. The vulnerability could allow remote code execution if a user opens
a specially crafted Excel file. An attacker who successfully exploited this
vulnerability could gain the same user rights as the logged-on 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 Important for all supported editions of
Microsoft Office Excel 2002, Microsoft Office Excel 2003, Microsoft Office
2004 for Mac, and Microsoft Office 2008 for Mac; and Open XML File Format
Converter for Mac. For more information, see the subsection, Affected and
Non-Affected Software, in this section.

The update addresses the vulnerability by changing the way that Microsoft
Office Excel parses specially crafted Excel files. For more information about
the vulnerability, see the Frequently Asked Questions (FAQ) subsection for
the specific vulnerability entry under the next section,
Vulnerability Information.

Affected Software

Microsoft Office XP Service Pack 3
Microsoft Office Excel 2002 Service Pack 3
Microsoft Office 2003 Service Pack 3
Microsoft Office Excel 2003 Service Pack 3
Microsoft Office 2004 for Mac
Microsoft Office 2008 for Mac
Open XML File Format Converter for Mac

Vulnerability Information

Excel Memory Corruption Vulnerability – CVE-2010-2562

A remote code execution vulnerability exists in the way that Microsoft
Office Excel handles specially crafted Excel 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.

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This security bulletin is provided as a service to AusCERT’s members. As
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NOTE: This is only the original release of the security bulletin. It may
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Previous advisories and external security bulletins can be retrieved from:

http://www.auscert.org.au/render.html?cid=1980

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