TippingPoint Zero Day Initiative
 

Adobe Flash AVSegmentedSource Use-After-Free Remote Code Execution Vulnerability

ZDI-16-596: November 8th, 2016

CVE ID

CVSS Score

Affected Vendors

Affected Products

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 the AVSegmentedSource class. By performing actions in ActionScript 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.

Vendor Response

Adobe has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2016-09-06 - Vulnerability reported to vendor
    2016-11-08 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    bo13oy of CloverSec Labs