BugTraq
ZDI-08-021: Adobe Flash Player DeclareFunction2 Invalid Object Use Vulnerability Apr 08 2008 11:47PM
zdi-disclosures 3com com
ZDI-08-021: Adobe Flash Player DeclareFunction2 Invalid Object Use

Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-08-021

April 8, 2008

-- CVE ID:

CVE-2007-6019

-- Affected Vendors:

Adobe

-- Affected Products:

Adobe Flash Player

-- Vulnerability Details:

This vulnerability allows remote attackers to execute code on vulnerable

installations of Adobe's Flash Player. User interaction is required in

that a user must visit a malicious web site.

The specific flaw exists when the Flash player attempts to access

embedded Actionscript objects that have not been properly instantiated.

In order for exploitation to occur, an attacker would have to modify a

DeclareFunction2 Actionscript tag within an SWF file. Exploitation of

this vulnerability can result in arbitrary code execution under the

context of the currently logged in user.

-- Vendor Response:

Adobe has issued an update to correct this vulnerability. More

details can be found at:

http://www.adobe.com/support/security/bulletins/apsb08-11.html

-- Disclosure Timeline:

2008-02-07 - Vulnerability reported to vendor

2008-04-08 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by:

* Javier Vicente Vallejo

* Shane Macaulay CanSecWest 2007 PWN2OWN Winner

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