cve/2023/CVE-2023-48733.md

CVE-2023-48733

Description

An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot.

POC

Reference

• https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
• https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
• https://www.openwall.com/lists/oss-security/2024/02/14/4

Github

No PoCs found on GitHub currently.