Advisory Details

April 9th, 2012

(Pwn2Own) Adobe Flash Player NetStream addBytes Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	9.0, AV:N/AC:L/Au:N/C:P/I:P/A:C
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Flash Player
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['12183']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 way Flash Player handles the update of a NetStream object via the appendBytes method which can lead to a use-after-free condition when the function returns. This can result in remote code execution under the context of the current process.
ADDITIONAL DETAILS	http://www.adobe.com/support/security/bulletins/apsb12-07.html
DISCLOSURE TIMELINE	2012-03-12 - Vulnerability reported to vendor 2012-04-09 - Coordinated public release of advisory
CREDIT	VUPEN Vulnerability Research Team http://www.vupen.com

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