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Secunia Research: Microsoft Office Drawing Shape Container Parsing Vulnerability

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                     Secunia Research 09/11/2010

  - Microsoft Office Drawing Shape Container Parsing Vulnerability -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software 

* Microsoft Office XP SP3
* Microsoft Office 2003 SP3
* Microsoft Office 2007 SP2
* Microsoft Office 2010

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

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3) Vendor's Description of Software 

"Are you ready for a better way to get work done? Then you're ready
for Office XP. Now you can simplify your productivity, collaborate
more effectively, and take Office beyond the desktop.".

Product Link:
http://office.microsoft.com/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Microsoft Office, 
which can be exploited by malicious people to compromise a user's 
system.

The vulnerability is caused by insufficient validation when parsing an
Office Art Drawing record, which contains "msofbtSp" records that 
specify certain flags. This can be exploited to corrupt memory via a 
specially crafted Office file.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Apply patches provided by MS10-087.

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6) Time Table 

12/02/2010 - Vendor notified.
12/02/2010 - Vendor response.
21/05/2010 - Vendor provides status update.
03/11/2010 - Vendor provides status update.
09/11/2010 - Public disclosure.

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7) Credits 

Discovered by Dyon Balding, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-3334 for the vulnerability.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-4/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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