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                     Secunia Research 10/12/2010

      - RealPlayer "cook" Uninitialised Memory 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 1.1.5
* Mac RealPlayer 12.0.0.1444
* Linux RealPlayer 11.0.2.1744

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 potentially compromise a 
user's system.

The vulnerability is caused by an error when parsing RealAudio content 
encoded using the "cook" codec. This can be exploited to trigger the 
use of uninitialised memory and potentially corrupt memory via e.g. a 
specially crafted RealMedia file.

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5) Solution 

Update to RealPlayer 14.0.0, Mac RealPlayer 12.0.0.1548, and Linux 
RealPlayer 11.0.2.2315.

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6) Time Table 

24/02/2010 - Vendor notified.
25/02/2010 - Vendor response.
11/03/2010 - Vendor provides status update.
19/10/2010 - Vendor provides status update.
29/11/2010 - Vendor provides status update.
10/12/2010 - 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-2010-0121 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/2010-9/

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

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