SV-234889r1262331: The SUSE operating system must be configured to create or update passwords with a minimum lifetime of 24 hours (one day). | SUSE Linux Enterprise Server 15 STIG SCAP Benchmark

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Assessment Title

Rule Text

The SUSE operating system must be configured to create or update passwords with a minimum lifetime of 24 hours (one day).

Description

Discussion Text

Enforcing a minimum password lifetime helps prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-004066Not mappedCCI-000198

References

DPMS Target SUSE Linux Enterprise Server 15 DISA DPMS Target SUSE Linux Enterprise Server 15 5274

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

#!/bin/bash
# Reconstructed from oval:mil.disa.stig.sles15:def:140
# The SUSE operating system must be configured to create or update passwords with a minimum lifetime of 24 hours (one day).
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# textfilecontent54_object (textfilecontent54_test)
test_1() {
  [ "$(sed -En 's/^[ \t]*PASS_MIN_DAYS[ \t]+(\d+)[ \t]*$/\1/p' '/etc/login.defs')" -ge 1 ]
}

if test_1; then
  echo "PASS"
else
  echo "FAIL"
fi

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# OVAL Definition: oval:mil.disa.stig.sles15:def:140
if [ ! -f "/etc/login.defs" ]; then echo "PASS"; exit 0; fi
if grep -qE "^[ \t]*PASS_MIN_DAYS[ \t]+(\\d+)[ \t]*$" /etc/login.defs; then
    min_days=$(grep -oE "[ \t]+(\\d+)[ \t]*$" /etc/login.defs | sed -E 's/[ \t]*PASS_MIN_DAYS[ \t]*//')
    if [ $min_days -ge 1 ]; then echo "PASS"; exit 0; fi
fi
echo "FAIL"; exit 1

Remediation

Configure the SUSE operating system to enforce 24 hours/one day or greater as the minimum password age.

Edit the file "/etc/login.defs" and add or correct the following line. Replace [DAYS] with the appropriate amount of days:

PASS_MIN_DAYS [DAYS]

The DoW requirement is "1" but a greater value is acceptable.