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.fso.aix11:def:303
# The SSH client must be configured to not use CBC-based ciphers.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# ssh_config does not use CBC ciphers
# textfilecontent54_object (textfilecontent54_test)
test_1() {
(sed -En 's/^[ ]*[Cc][iI][pP][hH][eE][rR][sS][ ]+([^#
]+)/\1/p' '/etc/ssh/ssh_config') | grep -Pq '[cC][bB][cC]'
}
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.fso.aix11:def:303
if [ ! -f "/etc/ssh/ssh_config" ]; then echo "PASS"; exit 0; fi
grep -q "^[ \t]*[Cc][Ii][Pp][Hh][Ee][Rr][Ss][ \t]" /etc/ssh/ssh_config || echo "PASS"; exit 0
awk '/^[ \t]*[Cc][Ii][Pp][Hh][Ee][Rr][Ss][ \t]/ {print $2}' /etc/ssh/ssh_config | grep -qE '(^|[ \t])[3a][eE][sAeE][ \t]*([^ \t#]*[cC][bB][cC]|[ \t]*$)' && echo "FAIL" && exit 1
echo "PASS"; exit 0