MacOS High Sierra login bug

A software developer appears to have found a major security flaw with the latest version of the MacOS High Sierra. Anyone can login to the default root account using the username "root" and no password, giving them access to a superuser with access to all areas of your system -- including read and write privileges on other user accounts.

The bug was discovered by Lemi Orhan Ergin, whose Twitter profile shows him as a Turkish software developer. BGR staff tested the bug on several devices running the most recent version of MacOS High Sierra, and were able to log in as the root user easily, with access to all other user accounts.

It's difficult to overstate how bad this security flaw is. Root access to a system is the holy grail of control over a device; leaving the root account enabled and with no password is like setting the nuclear launch code as "1234."

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Critical security flaw lets anyone gain root access to a Mac running macOS High Sierra originally appeared on on Tue, 28 Nov 2017 at 15:30:55 EDT. Please see our terms for use of feeds.