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AlmaLinux 8 : cryptsetup (ALSA-2022:0370)

medium Nessus Plugin ID 158863

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2022:0370 advisory.

 - 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.
 (CVE-2021-4122)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2022-0370.html

Plugin Details

Severity: Medium

ID: 158863

File Name: alma_linux_ALSA-2022-0370.nasl

Version: 1.5

Type: local

Published: 3/12/2022

Updated: 3/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2021-4122

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:cryptsetup-libs, p-cpe:/a:alma:linux:cryptsetup-reencrypt, p-cpe:/a:alma:linux:cryptsetup-devel, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:cryptsetup, p-cpe:/a:alma:linux:veritysetup, p-cpe:/a:alma:linux:integritysetup

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2/1/2022

Vulnerability Publication Date: 2/1/2022

Reference Information

CVE: CVE-2021-4122