Advisory Details

July 12th, 2016

Adobe Flash PrintJob printAsBitmap Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2016-4222
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Flash
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['24790']. 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. 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 handling of PrintJob objects. By setting the printAsBitmap property with a specific value, an attacker can cause a 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/apsb16-25.html
DISCLOSURE TIMELINE	2016-05-26 - Vulnerability reported to vendor 2016-07-12 - Coordinated public release of advisory
CREDIT	Jaehun Jeong(@n3sk) of WINS WSEC Analysis Team

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