Apple OS X IOKit CoreCaptureResponder Privilege Escalation Vulnerability

2016-05-19T00:00:00
ID ZDI-16-339
Type zdi
Reporter daybreaker
Modified 2016-11-09T00:00:00

Description

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Apple OS X. User interaction is required to exploit this vulnerability in that the target must open a malicious file.

The specific flaw exists within CoreCaptureResponder in IOKit. The issue lies with the failure to validate user-supplied arguments which can cause a null pointer dereference. An attacker can leverage this vulnerability to escalate privileges and execute code under the context of the kernel.