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RHEL 9 : shadow-utils (RHSA-2025:20559)

low Nessus Plugin ID 274721

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Synopsis

The remote Red Hat host is missing a security update for shadow-utils.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:20559 advisory.

 The shadow-utils packages include programs for converting UNIX password files to the shadow password format, as well as utilities for managing user and group accounts.

 Security Fix(es):

 * shadow-utils: Default subordinate ID configuration in /etc/login.defs could lead to compromise (CVE-2024-56433)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

 Additional Changes:

 For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL shadow-utils package based on the guidance in RHSA-2025:20559.

See Also

http://www.nessus.org/u?b6159d8b

https://access.redhat.com/security/updates/classification/#low

https://bugzilla.redhat.com/show_bug.cgi?id=2334165

https://issues.redhat.com/browse/RHEL-105945

https://issues.redhat.com/browse/RHEL-70844

https://issues.redhat.com/browse/RHEL-72940

http://www.nessus.org/u?c314e0c2

https://access.redhat.com/errata/RHSA-2025:20559

Plugin Details

Severity: Low

ID: 274721

File Name: redhat-RHSA-2025-20559.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/11/2025

Updated: 11/11/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Low

Base Score: 2.4

Temporal Score: 1.9

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

CVSS Score Source: CVE-2024-56433

CVSS v3

Risk Factor: Low

Base Score: 3.6

Temporal Score: 3.3

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:shadow-utils-subid, p-cpe:/a:redhat:enterprise_linux:shadow-utils, p-cpe:/a:redhat:enterprise_linux:shadow-utils-subid-devel, cpe:/o:redhat:enterprise_linux:9

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2025

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2024-56433

CWE: 1188

RHSA: 2025:20559