CVE Vulnerability

CVE-2021-4122

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.

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.7 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2031859 Permissions Required Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2032401 Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4122 Third Party Advisory
https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes Release Notes Vendor Advisory
https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*
cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*
Information

Published : 2022-08-24 04:15

Updated : 2022-08-29 02:28

NVD link : CVE-2021-4122

Mitre link : CVE-2021-4122

Products Affected
No products.
CWE
CWE-345