Secunia Research: RealPlayer QCP Parsing Integer Overflow Vulnerability

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                     Secunia Research 27/08/2010

     - RealPlayer QCP Parsing Integer Overflow 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 

* RealPlayer SP version 1.0.5

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 

"RealPlayer SP lets you download video from thousands of Websites – 
free! Just click on the "download this video" button above the video 
you want. It's just that easy. Now you can watch your favorite videos 
anywhere, anytime."

Product Link:
http://www.real.com/realplayer/

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4) Description of Vulnerability

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

The vulnerability is caused due to an integer overflow error in the 
parsing of QCP files. This can be exploited to cause a heap-based 
buffer overflow when a specially crafted QCP file is opened.

Successful exploitation may allow execution of arbitrary code.

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5) Solution 

Update to RealPlayer SP version 1.1.5.

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6) Time Table 

11/02/2010 - Vendor notified.
11/02/2010 - Vendor response.
11/03/2010 - Vendor provides status update.
13/08/2010 - Vendor provides status update.
21/08/2010 - Vendor provides status update.
27/08/2010 - Public disclosure.

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7) Credits 

Discovered by Alin Rad Pop, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-0116 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/2010-3/

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

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