SV-216089r1016285: User passwords must be at least 15 characters in length. | Solaris 11 X86 STIG SCAP Benchmark

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Assessment Title

Rule Text

User passwords must be at least 15 characters in length.

Description

Discussion Text

Password complexity, or strength, is a measure of the effectiveness of a password in resisting guessing and brute-force attacks. Password length is one factor of several that helps to determine strength and how long it takes to crack a password. The shorter the password is, the lower the number of possible combinations that need to be tested before the password is compromised. Use of more characters in a password helps to exponentially increase the time and/or resources required to compromise the password.

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

IA Controls

NIST SP 800-53

Not mappedCCI-004066Not mappedCCI-000205SV-60829V-47957

References

DPMS Target Solaris 11 X86 DISA DPMS Target Solaris 11 X86 4021

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.solaris11:def:20
# User passwords must be at least 15 characters in length.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# Check the default password length setting.
# textfilecontent54_object (textfilecontent54_test)
test_1() {
  [ "$(sed -En 's/^\s*PASSLENGTH=(\d+)\s*$/\1/p' '/etc/default/passwd')" -ge 15 ]
}

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.solaris11:def:20
if [ ! -f "/etc/default/passwd" ]; then echo "PASS"; exit 0; fi; \
grep -q "^\\s*PASSLENGTH=(\\d+)\\s*$" /etc/default/passwd && \
awk -F'=' '{if ($2 >= 15) print "PASS"; exit}' /etc/default/passwd || echo "FAIL"; exit 1

Remediation

The root role is required.

# pfedit /etc/default/passwd 

Locate the line containing:

PASSLENGTH

Change the line to read:

PASSLENGTH=15