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SUSE SLED15 / SLES15 Security Update : cryptsetup (SUSE-SU-2022:0144-1)

medium Nessus Plugin ID 156928

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:0144-1 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://bugzilla.suse.com/1194469

https://www.suse.com/security/cve/CVE-2021-4122

http://www.nessus.org/u?37d60898

Plugin Details

Severity: Medium

ID: 156928

File Name: suse_SU-2022-0144-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/21/2022

Updated: 7/14/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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:novell:suse_linux:libcryptsetup12-hmac, p-cpe:/a:novell:suse_linux:libcryptsetup12-32bit, p-cpe:/a:novell:suse_linux:libcryptsetup-devel, p-cpe:/a:novell:suse_linux:libcryptsetup12-hmac-32bit, p-cpe:/a:novell:suse_linux:cryptsetup, p-cpe:/a:novell:suse_linux:libcryptsetup12, p-cpe:/a:novell:suse_linux:cryptsetup-lang, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2022

Vulnerability Publication Date: 2/1/2022

Reference Information

CVE: CVE-2021-4122

SuSE: SUSE-SU-2022:0144-1