CCH Wolters Kluwer PFX Engagement <= v7.1 Local Privilege Escalation
The PFX services for engagement install with LOCAL SYSTEM service credentials in the directory C:PFX Engagement. The executables that are installed, by default, allow AUTHENTICATED USERS to modify, replace or alter the file. This would allow an attacker to inject their code or replace the executable and have it run in the context of the system. This would allow complete compromise of a machine on which it was installed, giving the process LOCAL SYSTEM access to the machine in question. An attacker can replace the file or append code to the executable, reboot the system or restart the service and it would then compromise the machine. As LOCAL SYSTEM is the highest privilege level on a machine, this allows total control and access to all parts of the system. This affects both the server and workstation builds.
