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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

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/2010-3/

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

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