MacOS gives users full admin rights without password

Root vulnerability macos high sierra

Apple confirmed that it was already working on a solution.

This flaw is significant but the risk to most users is quite low. A recently uncovered bug appears to allow anyone to login as an administrator merely by entering the username "root" and no password.

Here's everything you need to know about the bug, including who is affected by it and whether there is a fix yet.

Screenshot 2017 11 28 13 22 09

From the account, you'll able to see everything on the Mac. Apple has a bug bounty program where it pays researchers for discovering unknown security bugs. "We'll meet up with you there". Try this 1-3 times and voila-It will accept and boom, full system access. When the problem is exploited, the user is authenticated into a "System Administrator" account and is given full ability to view files and even reset or change passwords for pre-existing users on that machine.

It can't be stressed enough: This is a critical security flaw that all Apple laptop and desktop owners shouldn't ignore.

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This is all an attacker needs because with a few clicks he can create a root account that he could use at a later time to access the vulnerable device. This can be done by navigating to System Preferences, selecting Users and Groups, clicking Login Options on the left side of the menu, clicking the Join button next to Network Account Server, clicking Open Directory Utility, then clicking Edit in the Mac's menu bar to assign a password.

Apple's official word on the situation is that they're now working on a software update to "address this issue". However, there is a workaround that will provide users with some additional security to prevent against unauthorized logins: users can enable a root account that requires a password to gain access. We have confirmed this method fixes the vulnerability.

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