STIGQter: STIG Summary: Amazon Linux 2023 Security Technical Implementation Guide Version: 1 Release: 4 Benchmark Date: 01 Jul 2026:

Amazon Linux 2023 must prevent the use of dictionary words for passwords.

DISA Rule

SV-274140r1120408_rule

Vulnerability Number

V-274140

Group Title

SRG-OS-000480-GPOS-00225

Rule Version

AZLX-23-002390

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.
• CCI-004061 - For password-based authentication, verify when users create or update passwords, that the passwords are not found on the list of commonly-used, expected, or compromised passwords in IA-5 (1) (a).

Weight

10

Fix Recommendation

Configure Amazon Linux 2023 to prevent the use of dictionary words for passwords.

Add or update the following line in the "/etc/security/pwquality.conf" file or a configuration file in the /etc/pwquality.conf.d/ directory to contain the "dictcheck" parameter:

dictcheck=1

Check Contents

Verify Amazon Linux 2023 prevents the use of dictionary words for passwords with the following command:

$ sudo grep -rs dictcheck /etc/security/pwquality.conf /etc/pwquality.conf.d/*.conf
/etc/security/pwquality.conf:dictcheck=1

If the "dictcheck" parameter is not set to "1", is commented out, or is missing, this is a finding.

Vulnerability Number

V-274140

Documentable

False

Rule Version

AZLX-23-002390

Severity Override Guidance

Verify Amazon Linux 2023 prevents the use of dictionary words for passwords with the following command:

$ sudo grep -rs dictcheck /etc/security/pwquality.conf /etc/pwquality.conf.d/*.conf
/etc/security/pwquality.conf:dictcheck=1

If the "dictcheck" parameter is not set to "1", is commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

5700