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Secunia Research: Adobe Shockwave Player "DEMX" Chunk Parsing Vulnerability
From: Secunia Research <remove-vuln () secunia com>
Date: Fri, 29 Oct 2010 09:43:26 +0200

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

                     Secunia Research 29/10/2010

     - Adobe Shockwave Player "DEMX" Chunk Parsing Vulnerability -

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

====================================================================== 
1) Affected Software 

* Adobe Shockwave Player 11.5.8.612

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"Over 450 million Internet-enabled desktops have installed Adobe 
Shockwave Player. These people now have access to some of the best the
Web has to offer - including dazzling 3D games and entertainment, 
interactive product demonstrations, and online learning applications."

Product Link:
http://www.adobe.com/products/shockwaveplayer/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Adobe Shockwave
Player, which may be exploited by malicious people to compromise a
user's system.

The vulnerability is caused by a logic error in TextXtra.x32 when 
parsing "DEMX" chunks. This can be exploited to cause a heap-based 
buffer overflow via a specially crafted Director file as a function 
does not reallocate a buffer to contain a section of data as expected, 
but another function to still copy chunk data into the insufficiently 
sized buffer.

Successful exploitation allows execution of arbitrary code.

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

Update to version 11.5.9.615.

====================================================================== 
6) Time Table 

07/09/2010 - Vendor notified.
07/09/2010 - Vendor response.
26/10/2010 - Status update requested.
29/10/2010 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-2582 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/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-114/

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

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