CVE-2021-30832: Apple macOS CVMServer Use-After-Free Privilege Escalation Vulnerability

CVMS. A memory corruption issue was addressed with improved state management.

This vulnerability allows local attackers to escalate privileges on affected installations of Apple macOS. 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 CVMServer daemon. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.