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CVE-2021-4122

nvd nist
Published: Aug 24, 2022Modified: Nov 21, 2024

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4.3
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Exploitability: 0.7 / Impact: 3.6
Source: NVD

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.

Affected (2)

Cryptsetup Project
1 product
Cryptsetup
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Cryptsetup
Before 2.3.7
Cryptsetup
From 2.4.0 to 2.4.3

Related CWEs

CWE-345
Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (10)

Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Permissions RequiredThird Party Advisory
Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
PatchThird Party Advisory
Source: secalert@redhat.com
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.