Advisory Details

November 4th, 2016

Adobe Reader DC XObject stream Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2016-6938
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Acrobat Reader DC
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader DC. 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 XObject streams. The issue lies in the failure to properly validate the existence of an object prior to performing operations on it. 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/acrobat/apsb16-26.html
DISCLOSURE TIMELINE	2016-06-28 - Vulnerability reported to vendor 2016-11-04 - Coordinated public release of advisory
CREDIT	Steven Seeley of Source Incite

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