Secunia Research: Microsoft PowerPoint File Path Handling Buffer Overflow

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                     Secunia Research 09/02/2010

     - Microsoft PowerPoint File Path Handling Buffer Overflow -

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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 PowerPoint 2002

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Moderately critical
Impact: System compromise
Where:  Remote

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3) Vendor's Description of Software 

"Microsoft Office PowerPoint enables users to quickly create high-
impact, dynamic presentations, while integrating workflow and ways to
easily share information.".

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

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4) Description of Vulnerability

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

The vulnerability is caused by a boundary error when handling file 
paths and can be exploited to cause a stack-based buffer overflow via
a specially crafted file.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Apply patches supplied by MS10-004.

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6) Time Table 

20/05/2009 - Vendor notified.
20/05/2009 - Vendor response.
15/09/2009 - Vendor provides status update.
27/10/2009 - Vendor provides status update.
11/01/2010 - Status update requested.
11/01/2010 - Vendor provides status update.
02/02/2010 - Vendor provides status update.
09/02/2010 - Public disclosure.

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7) Credits 

Discovered by Carsten Eiram, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-0029 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-28/

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

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