Adobe Reader DC XObject stream Use-After-Free Remote Code Execution VulnerabilityZDI-16-591: November 4th, 2016
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.
Vendor ResponseAdobe has issued an update to correct this vulnerability. More details can be found at:
2016-06-28 - Vulnerability reported to vendor
2016-11-04 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Steven Seeley of Source Incite