Grub2

Pierluigi Paganini March 04, 2021
GRUB2 boot loader maintainers fixed hundreds of flaws

Now maintainers at the GRUB project have released security updates to address more than 100 vulnerabilities. GRUB2 (the GRand Unified Bootloader version 2) is a replacement for the original GRUB Legacy boot loader, which is now referred to as “GRUB Legacy”. The mechanism is designed to protect the boot process from attacks. In July 2020, researchers at the cybersecurity firmware Eclypsium disclosed a buffer […]

Pierluigi Paganini July 30, 2020
BootHole issue allows installing a stealthy and persistent malware

Billions of Windows and Linux devices are affected by a serious GRUB2 bootloader issue, dubbed BootHole, that can be exploited to install a stealthy malware. Billions of Windows and Linux devices are affected by a serious GRUB2 bootloader vulnerability, tracked as CVE-2020-10713 and dubbed BootHole, which can be exploited by attackers to install persistent and stealthy […]

Pierluigi Paganini December 17, 2015
Press backspace 28 times to hack a Linux PC with Grub2

The researchers Hector Marco and Ismael Ripoll have found that the Grub2 authentication could be easily defeated by hitting backspace 28 times. A couple of researchers from the University of Valencia’s Cybersecurity research group, Hector Marco and Ismael Ripoll, have found that the Grub2 bootloader is plagued by a serious vulnerability that can be exploited by […]