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.

Project Subscriptions

Vendors Products
Cryptsetup Project Subscribe
Cryptsetup Subscribe
Enterprise Linux Subscribe
Advisories
Source ID Title
Debian DSA Debian DSA DSA-5070-1 cryptsetup security update
EUVD EUVD EUVD-2021-33997 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.
Ubuntu USN Ubuntu USN USN-5286-1 cryptsetup vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:16:04.245Z

Reserved: 2021-12-15T00:00:00

Link: CVE-2021-4122

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-24T16:15:09.427

Modified: 2024-11-21T06:36:56.853

Link: CVE-2021-4122

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-01-13T00:00:00Z

Links: CVE-2021-4122 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses