Microsoft Windows CreateWindowStation Privilege Escalation Vulnerability

2016-03-10T00:00:00
ID ZDI-16-196
Type zdi
Reporter bee13oy of CloverSec Labs
Modified 2016-06-22T00:00:00

Description

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. 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 CreateWindowStation. The issue lies in the failure to check for NULL before dereferencing a pointer. An attacker can leverage this vulnerability to elevate privileges and execute code within the context of the kernel.