Vulnerability in GRUB 2 Affects Various Linux Distributions
CVE-2020-10713

8.2HIGH

Key Information:

Vendor: Gnu
Status: Grub
Vendor: CVE Published:; 30 July 2020

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👾 Exploit Exists🟡 Public PoC

What is CVE-2020-10713?

A vulnerability in GRUB 2, prior to version 2.06, allows an attacker to hijack the boot verification process and bypass Secure Boot protections. To exploit this flaw, an attacker must gain physical access, alter PXE-boot networks, or have remote root access to a networked system. Once access is established, a malicious payload can be crafted to trigger a buffer overflow in GRUB, leading to arbitrary code execution. The primary risks involve threats to data confidentiality, integrity, and system availability.

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Affected Version(s)

Grub All grub2 versions before 2.06

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

BootHole
Created by eclypsium