Two security researchers in Spain report new Linux vulnerability
In a security report released on December 14, ethical hackers Hector Marco and Ismael Ripoll – who work as security researchers at the polytechnic university of Valencia, Spain – revealed that they have found a brand-new vulnerability affecting the Linux systems.
The vulnerability reported by Marco and Ripoll has been found in the Grub2 bootloader of Linux systems.
Reporting the vulnerability, Marco and Ripoll said in their report that hackers can potentially breach Linux systems by continuously pressing the
‘Backspace’ key 28 times.
According to the details shared by the two researchers, the newly-reported exploit will work only if hackers have physical access -- for pressing Backspace 28 times continuously -- to an affected Linux system. As such, the vulnerability does not underscore the worst potential bug in Linux.
Nonetheless, Marco and Ripoll have also explained that if an attacker successfully hits Backspace 28 times on an affected Linux machine, full access to the console can be easily gained, without the need to enter any user name or password. Towards that end, the researchers said in their report: "The attacker is able to destroy any data including the grub itself. Even in the case that the disk is ciphered the attacker can overwrite it, causing a [denial of service]."
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