GRUB2 Boothole Buffer Overflow Vulnerability (CVE-2020-10713)

On 29th July 2020, a team of security researchers disclosed a high priority bug in GRUB2(GRand Unified Bootloader version 2) , affecting billions of Linux and Windows systems using secure boot. CVE-2020-10713 is assigned to this buffer overflow vulnerability, termed as “Boothole”. “Boothole” Secure Boot is designed to verify all the firmware of the computer … Continue reading “GRUB2 Boothole Buffer Overflow Vulnerability (CVE-2020-10713)”

Vulnerabilities in AMD Processors RYZEN and EPYC

Various vulnerabilities have been discovered in AMD’s Zen architecture based processors – Ryzen and EPYC. Ryzen processors are aimed towards workstations, laptops and mobiles and EPYC is geared towards servers. The vulnerabilities have been discovered by CTS-Labs, they claim that attackers can exploit these vulnerabilities to : Inject malicious code in to the chip itself. … Continue reading “Vulnerabilities in AMD Processors RYZEN and EPYC”