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MacOS High Sierra Users: Change Root Password Now

A newly-discovered flaw in macOS High Sierra — Apple’s latest iteration of its operating system — allows anyone with local (and, apparently in some cases, remote) access to the machine to log in as the all-powerful “root” user without supplying a password. Fortunately, there is a simple fix for this until Apple patches this inexplicable bug: Change the root account’s password now.

For better or worse, this glaring vulnerability was first disclosed today on Twitter by Turkish software developerLemi Orhan Ergin, who unleashed his findings onto the Internet with a tweet to @AppleSupport:

“Dear @AppleSupport, we noticed a *HUGE* security issue at MacOS High Sierra. Anyone can login as “root” with empty password after clicking on login button several times. Are you aware of it @Apple?”

High Sierra users should be able to replicate the exploit by accessing System Preferences, then Users & Groups, and then click the lock to make changes. Type “root” with no password, and simply...(continued)

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