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CVE-2021-4122

Public on 2022-05-17
Modified on 2023-01-27
Description

It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.

Severity
Medium
See what this means
CVSS v3 Base Score
5.9
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2023 cryptsetup 2023-02-17 20:43 ALAS2023-2023-027

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.9 CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD CVSSv3 4.3 CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N