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.rhel9os:def:257897
# RHEL 9 /etc/shadow- file must have mode 0000 or less permissive to prevent unauthorized access.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# The /etc/shadow- file has mode 0000 or less permissive
# file_object (file_test)
test_1() {
( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,3,1)=="w")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,7,1)=="x" || substr($0,7,1)=="s")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,8,1)=="r")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,4,1)=="x" || substr($0,4,1)=="s")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,10,1)=="t" || substr($0,10,1)=="T")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,7,1)=="s" || substr($0,7,1)=="S")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,4,1)=="s" || substr($0,4,1)=="S")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,10,1)=="x" || substr($0,10,1)=="t")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,9,1)=="w")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,2,1)=="r")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,5,1)=="r")?"true":"false"}') | grep -qxF 'false' ) && ( (stat -c '%A' '/etc/shadow-' | awk '{print (substr($0,6,1)=="w")?"true":"false"}') | grep -qxF 'false' )
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# oval:mil.disa.stig.rhel9os:def:257897
if [ ! -f "/etc/shadow-" ]; then echo "PASS"; exit 0; fi; [ "$(stat -c "%a /etc/shadow-")" -gt "0" ] && echo "FAIL" || echo "PASS"; exit 0