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Anyone Can Hack MacOS High Sierra Just by Typing "Root"

posted onNovember 29, 2017
by l33tdawg

There are hackable security flaws in software. And then there are those that don't even require hacking at all—just a knock on the door, and asking to be let in. Apple's macOS High Sierra has the second kind.

On Tuesday, security researchers disclosed a bug that allows anyone a blindingly easy method of breaking that operating system's security protections. Anyone who hits a prompt in High Sierra asking for a username and password before logging into a machine with multiple users, they can simply type "root" as a username, leave the password field blank, click "unlock" twice, and immediately gain full access.

In other words, the bug allows any rogue user that gets the slightest foothold on a target computer to gain the deepest level of access to a computer, known as "root" privileges. Malware designed to exploit the trick could also fully install itself deep within the computer, no password required.



Apple Security

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