Title:grub2 安全漏洞 (CVE-2020-14372) Description:A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an attacker with privileged access to craft a Secondary System Description Table (SSDT) containing code to overwrite the Linux kernel lockdown variable content directly into memory. The table is further loaded and executed by the kernel, defeating its Secure Boot lockdown and allowing the attacker to load unsigned code. The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability.
Description
Write-up and proof of concept exploit for CVE-2020-14372
1. It is advised to access via the original source first.2. Local POC snapshots are reserved for subscribers — if the original source is unavailable, the local mirror is part of the paid plan.3. Mirroring, verifying, and maintaining this POC archive takes ongoing effort, so local snapshots are a paid feature. Your subscription keeps the archive online — thank you for the support. View subscription plans →