CVE-2021-4122
Public on 2022-05-17
Modified on 2024-02-10
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
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | cryptsetup | No Fix Planned | ||
| Amazon Linux 2 - Core | cryptsetup | Pending Fix | ||
| Amazon Linux 2023 | cryptsetup | 2023-02-17 | ALAS2023-2023-027 | Fixed |
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 |