Grub Vulnerability : You can Hack into a Linux PC/laptop just by pressing ‘Backspace’ 28 times

Most of us swear by Linux as a super secure operating system but two security researchers from Spain have discovered a unique vulnerability in Linux which could give even a noob access to a Linux powered PC.

Here’s How to Exploit the Linux Vulnerability

If your computer system is vulnerable to this bug:

Just hit the backspace key 28 times at the Grub username prompt during power-up. This will open a “Grub rescue shell” under Grub2 versions 1.98 to version 2.02.

This rescue shell allows unauthenticated access to a computer and the ability to load another environment.

Ismael Ripoll and Hector Marco, who From this shell, any potential attacker could gain access to all the data on a Linux computer, and can misuse it to steal or delete all the data, or install persistent malware or rootkit, according to researchersand, who published their research on Tuesday.

According to Ripoll and Marco, the Grub vulnerability affects Linux systems from December 2009 to the present date. They have stated that even some older Linux PCs may be affected by this bug.

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