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.
Published: 2022-08-24
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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
History

No history.

Subscriptions

Cryptsetup Project Cryptsetup
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

Reserved: 2021-12-15T00:00:00.000Z

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