(Pwn2Own) Phoenix Contact CHARX SEC-3100 Untrusted Search Path Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Phoenix Contact CHARX SEC-3100 devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the charx_set_timezone binary. The issue results from executing a program from an untrusted location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.