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Pro tip: You can log into macOS High Sierra as root with no password

Daniel B.
Boffin

OSX user here, and it's a vulnerability. It's probably somewhat mitigated in the sense that setting a password for root plugs the hole, but it's still an embarassment. Not sure if it's remotely exploitable, which would be bad. If it allows for su - without a password, it's probably bad, but it would still require someone to log in with a valid username/password before exploiting it.

If someone already has physical access to the system, there are larger issues at hand.

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