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Test ID:1.3.6.1.4.1.25623.1.0.801595
Category:Windows
Title:Microsoft Office Excel Axis and Art Object Parsing Remote Code Execution Vulnerabilities
Summary:Check for the version of Microsoft Excel
Description:

Overview: This host is installed with Microsoft Office Excel and is prone to
multiple remote code execution vulnerabilities.

Vulnerability Insight:
The flaws are due to:
- An error in the usage of a specific field used for incrementing an array
index. The application will copy the contents of the specified element into
a statically sized buffer on the stack.
- An error in parsing Office Art record, when parsing an office art object
record, if an error occurs, the application will add a stray reference to an
element which is part of a linked list. When receiving a window message,
the application will proceed to navigate this linked list. This will
access a method from the malformed object which can lead to code execution
under the context of the application.

Impact:
Successful exploitation will allow attacker to execute arbitrary code, can
cause memory corruption and other attacks in the context of the application
through crafted Excel file.

Impact Level: System

Affected Software/OS:
Microsoft Office Excel 2010

Fix: No solution or patch is available as of 17th February, 2011. Information
regarding this issue will be updated once the solution details are available.
For updates refer to http://office.microsoft.com/en-us/excel/

References:
http://seclists.org/bugtraq/2011/Feb/86
http://www.zerodayinitiative.com/advisories/ZDI-11-042/
http://www.zerodayinitiative.com/advisories/ZDI-11-041/
http://permalink.gmane.org/gmane.comp.security.full-disclosure/77802
Cross-Ref: BugTraq ID: 46225
Common Vulnerability Exposure (CVE) ID: CVE-2011-0978
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
http://zerodayinitiative.com/advisories/ZDI-11-042/
Microsoft Security Bulletin: MS11-021
http://www.microsoft.com/technet/security/Bulletin/MS11-021.mspx
Cert/CC Advisory: TA11-102A
http://www.us-cert.gov/cas/techalerts/TA11-102A.html
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12439
http://www.securitytracker.com/id?1025337
http://secunia.com/advisories/43232
http://secunia.com/advisories/39122
http://securityreason.com/securityalert/8231
http://www.vupen.com/english/advisories/2011/0940
Common Vulnerability Exposure (CVE) ID: CVE-2011-0979
http://zerodayinitiative.com/advisories/ZDI-11-041/
http://osvdb.org/70904
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12595
http://secunia.com/advisories/43231
CopyrightCopyright (C) 2011 Greenbone Networks GmbH

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