CVE-2023-36476

CVSS Score of 10 (low)

Details

Published Jun 29, 2023
Updated: Jul 7, 2023
CWE ID 522
CWE ID 200

Summary

CVE-2023-36476 is a vulnerability in calamares-nixos-extensions version 0.3.12 and earlier, affecting users who installed NixOS through the graphical calamares installer with an unencrypted `/boot` on non-UEFI systems or with a LUKS partition different from `/`. This vulnerability exposes the LUKS key file in `/boot` as a plaintext CPIO archive attached to the NixOS initrd. A patch is available and expected to be included in version 0.3.13 to backport to NixOS 22.11, 23.05, and unstable channels. As a workaround, expert users who have a copy of their data can re-encrypt the LUKS partition(s) themselves. The vulnerability has a CVSS score of 5.5 (Medium) according to NVD and 7.9 (High) according to [email protected], with potential confidentiality impact being high and integrity impact being low.

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