STIGQter: STIG Summary: Riverbed NetIM OS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 11 Sep 2025:

Ubuntu OS must enforce password complexity by requiring at least one lowercase character be used.

DISA Rule

SV-275650r1148000_rule

Vulnerability Number

V-275650

Group Title

SRG-OS-000070-GPOS-00038

Rule Version

RIIM-OS-611015

Severity

CAT II

CCI(s)

• CCI-004066 - For password-based authentication, enforce organization-defined composition and complexity rules.

Weight

10

Fix Recommendation

Configure Ubuntu OS to enforce password complexity by requiring that at least one lowercase character be used.

Add or modify the following line in the "/etc/security/pwquality.conf" file:

lcredit = -1

Check Contents

Verify Ubuntu OS enforces password complexity by requiring that at least one lowercase character be used by using the following command:

$ grep -i lcredit /etc/security/pwquality.conf
lcredit = -1

If "lcredit" is greater than "-1", is commented out, or is missing, this is a finding.

Vulnerability Number

V-275650

Documentable

False

Rule Version

RIIM-OS-611015

Severity Override Guidance

Verify Ubuntu OS enforces password complexity by requiring that at least one lowercase character be used by using the following command:

$ grep -i lcredit /etc/security/pwquality.conf
lcredit = -1

If "lcredit" is greater than "-1", is commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

5706