the GRUB2 boot loader for Linux found a critical vulnerability that allows you to bypass password lock on boot and get full access to the console. It is enough to physically be at the computer of the victim 28 times and press Backspace in the name field or password.

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the GRUB2 boot loader for Linux found a critical vulnerability that allows you to bypass password lock on boot and get full access to the console. It is enough to physically be at the computer of the victim 28 times and press Backspace in the name field or password.

Then the attacker will get access to the GRUB console can perform any command and even download a custom kernel (e.g. with stick). And this, in turn, will allow you to access information on the discs or damage them, reports Lifehacker.

the Vulnerability works like this: pressing Backspace causes an integer overflow. 28 taps just enough to reset the cell outside the buffer, invoke console commands.

the network has already appeared a patch that corrects this error.

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