BrandPost: Full macOS Compromise Using 15-Year-Old Bug

A recently discovered vulnerability in macOS allows for full system compromise of macOS versions dating back 15 years. Residing in the "IOHIDFamily" component – notoriously used in the past to exploit various race conditions leading to system compromise – the vulnerability doesn’t seem remotely exploitable by itself, although it has existed for at least 15 years.

Triggered only by local access to a Mac, all macOS versions up to 10.13.1 appear to be affected. Security researcher Siguza warns that the vulnerability can still be weaponized to be remotely exploitable if a “sleeper program” – or malware with similar behavior – simply waits for the user to log out, reboot, or shut down, before activating the vulnerability.

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