Advisory Details

April 15th, 2015

(Pwn2Own) Adobe Flash Player AS3 ConvolutionFilter Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2015-0349
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Flash Player
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of AS3 ConvolutionFilter objects. By manipulating the matrix property of a ConvolutionFilter object, an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/flash-player/apsb15-06.html
DISCLOSURE TIMELINE	2015-03-18 - Vulnerability reported to vendor 2015-04-15 - Coordinated public release of advisory
CREDIT	Nicolas Joly

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