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Add initial stig state
Signed-off-by: reyesj2 <94730068+reyesj2@users.noreply.github.com>
This commit is contained in:
reyesj2
88
salt/stig/files/so-stig
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88
salt/stig/files/so-stig
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@@ -0,0 +1,88 @@
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#!/bin/bash
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#
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# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
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# or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at
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# https://securityonion.net/license; you may not use this file except in compliance with the
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# Elastic License 2.0.
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#
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# Note: Per the Elastic License 2.0, the second limitation states:
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#
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# "You may not move, change, disable, or circumvent the license key functionality
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# in the software, and you may not remove or obscure any functionality in the
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# software that is protected by the license key."
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stig_conf=/opt/so/conf/stig
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stig_log=/opt/so/log/stig
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. /usr/sbin/so-common
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logCmd() {
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cmd=$1
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echo "Executing command: $cmd"
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$cmd
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}
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apply_stigs(){
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if [ ! -f $stig_log/pre-oscap-report.html ]; then
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echo "Running an OSCAP eval before modifying system for the first time"
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oscap xccdf eval --profile xccdf_org.ssgproject.content_profile_stig --results $stig_log/pre-oscap-results.xml --report $stig_log/pre-oscap-report.html /usr/share/xml/scap/ssg/content/ssg-ol9-ds.xml
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fi
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echo "Manually applying STIGs not remediated by OSCAP"
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echo "Setting Ctrl-Alt-Del action to none OSCAP rule id: xccdf_org.ssgproject.content_rule_disable_ctrlaltdel_burstaction"
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if ! grep -q "^CtrlAltDelBurstAction=none$" /etc/systemd/system.conf; then
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sed -i 's/#CtrlAltDelBurstAction=reboot-force/CtrlAltDelBurstAction=none/g' /etc/systemd/system.conf
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logCmd "grep CtrlAltDelBurstAction /etc/systemd/system.conf"
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fi
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echo "Setting ctrl-alt-del.target to masked or /dev/null OSCAP rule id: xccdf_org.ssgproject.content_rule_disable_ctrlaltdel_reboot"
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if systemctl is-enabled ctrl-alt-del.target | grep -q masked; then
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echo "ctrl-alt-del.target is already masked"
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else
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echo "Redirecting ctrl-alt-del.target symlink to /dev/null"
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logCmd "ln -sf /dev/null /etc/systemd/system/ctrl-alt-del.target"
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fi
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echo "Remove nullok from password-auth & system-auth OSCAP rule id: xccdf_org.ssgproject.content_rule_no_empty_passwords"
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sed -i 's/ nullok//g' /etc/pam.d/password-auth
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sed -i 's/ nullok//g' /etc/pam.d/system-auth
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echo "Setting PermitEmptyPasswords no in /etc/ssh/sshd_config OSCAP rule id: xccdf_org.ssgproject.content_rule_sshd_disable_empty_passwords"
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if grep -q "^#PermitEmptyPasswords no$" /etc/ssh/sshd_config; then
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sed -i 's/#PermitEmptyPasswords no/PermitEmptyPasswords no/g' /etc/ssh/sshd_config
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logCmd "grep PermitEmptyPasswords /etc/ssh/sshd_config"
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else
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logCmd "echo 'PermitEmptyPasswords no' >> /etc/ssh/sshd_config"
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fi
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echo "Setting PermitUserEnvironment no in /etc/ssh/sshd_config STIG rule id: SV-248650r877377"
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if grep -q "^#PermitUserEnvironment no$" /etc/ssh/sshd_config; then
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sed -i 's/#PermitUserEnvironment no/PermitUserEnvironment no/g' /etc/ssh/sshd_config
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logCmd "grep PermitUserEnvironment /etc/ssh/sshd_config"
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else
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logCmd "echo 'PermitUserEnvironment no' >> /etc/ssh/sshd_config"
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fi
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if is_manager_node; then
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echo "Setting localpkg_gpgcheck=1 OSCAP rule id: xccdf_org.ssgproject.content_rule_ensure_gpgcheck_local_packages"
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if [ ! -f /opt/so/saltstack/local/salt/repo/client/files/oracle/yum.conf.jinja ]; then
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logCmd "cp /opt/so/saltstack/default/salt/repo/client/files/oracle/yum.conf.jinja /opt/so/saltstack/local/salt/repo/client/files/oracle/yum.conf.jinja"
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fi
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if ! grep -q "^localpkg_gpgcheck=1$" /opt/so/saltstack/local/salt/repo/client/files/oracle/yum.conf.jinja; then
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echo 'localpkg_gpgcheck=1' >> /opt/so/saltstack/local/salt/repo/client/files/oracle/yum.conf.jinja
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logCmd "grep localpkg_gpgcheck /opt/so/saltstack/local/salt/repo/client/files/oracle/yum.conf.jinja"
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fi
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fi
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echo "Running custom OSCAP profile to remediate applicable STIGs"
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logCmd "oscap xccdf eval --remediate --profile xccdf_org.ssgproject.content_profile_stig --results $stig_log/results.xml $stig_conf/sos-oscap.xml"
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echo "Running OSCAP scan to verify application of STIGs"
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oscap xccdf eval --profile xccdf_org.ssgproject.content_profile_stig --results $stig_log/post-oscap-results.xml --report $stig_log/post-oscap-report.html /usr/share/xml/scap/ssg/content/ssg-ol9-ds.xml
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}
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if is_feature_enabled "stig" >/dev/null 2>&1; then
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echo -e "---------------------\nApplying STIGs\n---------------------"
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apply_stigs
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else
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echo "The application of STIGs is a feature supported only for customers with a valid license. Contact Security Onion Solutions, LLC via our website at https://securityonionsolutions.com for more information about purchasing a license to enable this feature."
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fi
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