Secunia Research: RealPlayer QCP Sample Chunk Parsing Buffer Overflow

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                 Secunia Research 18/10/2010

   - RealPlayer QCP Sample Chunk 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

• RealPlayer SP 1.0.5

NOTE: Other versions may also be affected.

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2) Severity

Rating: Highly critical
Impact: System compromise
Where: 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 SP,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused by missing input validation in the
handling of sample chunks when parsing QCP audio content. This can be
exploited to cause a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

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5) Solution

Update to RealPlayer SP 1.1.5 or RealPlayer Enterprise 2.1.3.

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6) Time Table

25/02/2010 - Vendor notified.
11/03/2010 - Vendor provides status update.
17/08/2010 - Vendor provides status update.
30/09/2010 - Vendor provides status update.
08/10/2010 - Vendor provides status update.
18/10/2010 - 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-2010-2578 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
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Secunia believes that it is important to support the community and to
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security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
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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/2010-13/

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

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