Secunia Research Advisory

Adobe Flash Player "Declare Function (V7)" Heap Overflow


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

                     Secunia Research 08/04/2008

     - Adobe Flash Player "Declare Function (V7)" Heap Overflow -

====================================================================== 
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 Flash Player 9.0.115.0.

NOTE: Prior versions may also be affected.

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

Rating: Highly critical
Impact: System access
Where:  Remote

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

"Adobe Flash Player is the high-performance, lightweight, highly 
expressive client runtime that delivers powerful and consistent user 
experiences across major operating systems, browsers, mobile phones, 
and devices."

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

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

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

The vulnerability is caused due to a boundary error in the processing 
of "Declare Function (V7)" tags. This can be exploited to cause a 
heap-based buffer overflow via specially crafted argument preload 
flags.

Successful exploitation may allow execution of arbitrary code.

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

Update to version 9.0.124.0.

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

19/12/2007 - Vendor notified.
19/12/2007 - Vendor response.
08/04/2008 - Public disclosure.

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

Discovered by Alin Rad Pop, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2007-6019 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:

https://www.flexera.com/

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.

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.

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

https://www.flexera.com/company/careers

Secunia offers a FREE mailing list called Secunia Security Advisories:

https://www.flexera.com/secunia_security_advisories/ 

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

Please verify this advisory by visiting the Secunia website:
https://www.flexera.com/about-us/secunia-research/advisories/sr-2007-103.html

Complete list of vulnerability reports published by Secunia Research:
https://www.flexera.com/about-us/secunia-research/advisories/

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