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                     Secunia Research 10/08/2010

       - Windows Movie Maker String Parsing 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 

* Windows Movie Maker 2.1.4027.0

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 

"You have the inspiration. Now you just need the know-how to bring 
your visions to life. See how easy it can be to create, edit, and add 
special effects to your movies using Windows Movie Maker.".

Product Link:
http://www.microsoft.com/windowsxp/using/moviemaker/default.mspx 

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4) Description of Vulnerability

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

The vulnerability is caused by boundary errors when parsing strings in
imported project files (.MSWMM) and can be exploited to cause a buffer 
overflow.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Apply patches provided by MS10-050.

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6) Time Table 

14/03/2010 - Vendor notified.
15/03/2010 - Vendor response.
23/04/2010 - Status update requested.
27/04/2010 - Vendor provides status update.
03/08/2010 - Vendor provides status update.
10/08/2010 - 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-2010-2564 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/2010-66/ 

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

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