Serious Security Hole In MacOS

In the latest version of Apple's MacOS High Sierra, a large hole has been discovered. The hole allows control over the computer to every passer-by. A vulnerability has been known for two weeks, but the severity of the hole has now been revealed.

kaleidoscope source

Apple has already released a fix that removes it.

It turns out that new MacOS has an administrator account (root) disabled, but it is not password protected and can be enabled, which makes it abusive.

image source

Interestingly, this vulnerability does not work if we are logged in and the screen is locked only. It works if the user is loged off. It is also vulnerable a computer that has an administrator account disabled, since the method described is reactivated.

Anyone who has Screen Sharing enabled, however, provides access to everyone, including remote attackers.

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