CVE Published: 20/07/2023 |
CVE Updated: 24/10/2024 |
CVE Year: 2022 Source: canonical |
Vendor: GNU Project |
Product: GNU GRUB Status : PUBLISHED
CVE-2022-28735 Description
The GRUB2\'s shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
Metrics
CVSS Version: 3.1 |
Base Score: 6.7 MEDIUM Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
l➤ Exploitability Metrics: Attack Vector (AV)* LOCAL Attack Complexity (AC)* LOW Privileges Required (PR)* HIGH User Interaction (UI)* NONE Scope (S)* UNCHANGED
l➤ Impact Metrics: Confidentiality Impact (C)* HIGH Integrity Impact (I)* HIGH Availability Impact (A)* HIGH
Weakness Enumeration (CWE)
CWE-ID: CWE Name: Source: GNU Project
Common Attack Pattern Enumeration and Classification (CAPEC)