(Pwn2Own) Adobe Flash AS2 NetConnection Type Confusion Remote Code Execution Vulnerability

2016-04-08T00:00:00
ID ZDI-16-227
Type zdi
Reporter Yuki Chen of Qihoo 360 Vulcan Team
Modified 2016-11-09T00:00:00

Description

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 NetConnection objects. By overriding specific object properties, it is possible to trigger a type confusion condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.