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.

References

https://www.openwall.com/lists/oss-security/2024/02/14/4

https://nvd.nist.gov/vuln/detail/CVE-2023-48733

https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html

https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139

https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3