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zdiJavier Vicente VallejoShane Macaulay CanSecWest 2008 PWN2OWN WinnerZDI-08-021
HistoryApr 08, 2008 - 12:00 a.m.

Adobe Flash Player DeclareFunction2 Invalid Object Use Vulnerability

2008-04-0800:00:00
Javier Vicente VallejoShane Macaulay CanSecWest 2008 PWN2OWN Winner
www.zerodayinitiative.com
12

0.278 Low

EPSS

Percentile

96.8%

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.