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RealPlayer QCP Sample Chunk Parsing Buffer Overflow

RealPlayer QCP Sample Chunk Parsing Buffer Overflow
Posted Oct 19, 2010
Authored by Carsten Eiram | Site secunia.com

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. RealPlayer SP 1.0.5 is affected.

tags | advisory, overflow, arbitrary
advisories | CVE-2010-2578
MD5 | 9f365bc68e79404491f1b8b4eef7f5f8

RealPlayer QCP Sample Chunk Parsing Buffer Overflow

Change Mirror Download
====================================================================== 

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.

======================================================================
2) Severity

Rating: Highly critical
Impact: System compromise
Where: Remote

======================================================================
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/

======================================================================
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.

======================================================================
5) Solution

Update to RealPlayer SP 1.1.5 or RealPlayer Enterprise 2.1.3.

======================================================================
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.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-2578 for the vulnerability.

======================================================================
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/

======================================================================
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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