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https://github.com/ovh/debian-cis.git
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Damcava35/deb12 scripts 4 (#287)
* fix: ipv6 may be enabled on a single interface * feat: add new checks for debian12 systemd_timesyncd_is_enabled_and_running.sh -> 2.3.2.2 rpcbind_is_disabled.sh -> 2.1.12 ftp_client_not_installed.sh -> 2.2.6 chrony_with_chrony_user.sh -> 2.3.3.2 ipv6_is_enabled.sh -> 3.1.1 --------- Co-authored-by: damien cavagnini <damien.cavagnini@corp.ovh.com> Co-authored-by: GoldenKiwi <thibault.dewailly@corp.ovh.com>
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damcav35
@@ -7,7 +7,7 @@ LABEL description="This image is used to run tests"
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RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
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RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd cron iproute2
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RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd cron iproute2 procps
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COPY --chown=500:500 . /opt/debian-cis/
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@@ -7,7 +7,7 @@ LABEL description="This image is used to run tests"
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RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
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RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd cron iproute2
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RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd cron iproute2 procps
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COPY --chown=500:500 . /opt/debian-cis/
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29
tests/hardening/chrony_with_chrony_user.sh
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29
tests/hardening/chrony_with_chrony_user.sh
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@@ -0,0 +1,29 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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describe prepare failing test
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apt install -y chrony
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echo "user root" >>/etc/chrony/chrony.conf
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/usr/sbin/chronyd -Ux
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describe On purpose failing test
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register_test retvalshouldbe 1
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# shellcheck disable=2154
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe correcting situation
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sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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"${CIS_CHECKS_DIR}/${script}.sh" --apply || true
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pkill chronyd
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/usr/sbin/chronyd -Ux
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describe resolved test
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register_test retvalshouldbe 0
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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pkill chronyd
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apt remove chrony -y
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}
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21
tests/hardening/ftp_client_not_installed.sh
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21
tests/hardening/ftp_client_not_installed.sh
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@@ -0,0 +1,21 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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describe Prepare on purpose failed test
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apt install -y ftp
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describe Running on purpose failed test
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register_test retvalshouldbe 1
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# shellcheck disable=2154
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe correcting situation
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sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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"${CIS_CHECKS_DIR}/${script}.sh" --apply || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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}
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65
tests/hardening/ipv6_is_enabled.sh
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65
tests/hardening/ipv6_is_enabled.sh
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@@ -0,0 +1,65 @@
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# shellcheck shell=bash
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# run-shellcheck
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is_ipv6_enabled() {
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CURRENT_IPV6_ENABLED=1
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if sysctl net.ipv6 >/dev/null 2>&1; then
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for iface in /proc/sys/net/ipv6/conf/*; do
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ifname=$(basename "$iface")
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if [ "$ifname" != "default" ] && [ "$ifname" != "all" ]; then
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value=$(cat "$iface"/disable_ipv6)
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# if only one interface has ipv6, this is enough to consider it enabled
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if [ "$value" -eq 0 ]; then
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CURRENT_IPV6_ENABLED=0
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break
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fi
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fi
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done
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fi
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}
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test_audit() {
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# shellcheck disable=2154
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"${CIS_CHECKS_DIR}/${script}.sh" --create-config-files-only
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is_ipv6_enabled
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if [ "$CURRENT_IPV6_ENABLED" -eq 0 ]; then
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describe prepare failing test
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# shellcheck disable=2154
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sed -i '/^IPV6_ENABLED/s/=.*$/=1/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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describe Running failed test
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register_test retvalshouldbe 1
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# shellcheck disable=2154
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe fix situation
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# shellcheck disable=2154
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sed -i '/^IPV6_ENABLED/s/=.*$/=0/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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describe Running successful test
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register_test retvalshouldbe 0
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# shellcheck disable=2154
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run success "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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else
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describe prepare failing test
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# shellcheck disable=2154
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sed -i '/^IPV6_ENABLED/s/=.*$/=0/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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describe Running failed test
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register_test retvalshouldbe 1
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# shellcheck disable=2154
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe fix situation
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sed -i '/^IPV6_ENABLED/s/=.*$/=1/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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describe Running successful test
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register_test retvalshouldbe 0
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# shellcheck disable=2154
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run success "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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fi
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}
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36
tests/hardening/rpcbind_is_disabled.sh
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36
tests/hardening/rpcbind_is_disabled.sh
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@@ -0,0 +1,36 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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describe Prepare on purpose failed test
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apt install -y rpcbind
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# running on a container, will can only test the package installation, not the service management
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describe Running on purpose failed test
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register_test retvalshouldbe 1
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# shellcheck disable=2154
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run failed "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe correcting situation
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sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
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"${CIS_CHECKS_DIR}/${script}.sh" --apply || true
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describe Checking resolved state
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register_test retvalshouldbe 0
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run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe Prepare test package dependencies
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# try to install a package that depends on 'rpcbind'
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apt install -y rstatd
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# running on a container, we can only test the package installation, not the service management
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describe Running successfull test
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register_test retvalshouldbe 0
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# shellcheck disable=2154
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run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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describe clean installation
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apt remove -y rpcbind rstatd
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apt autoremove -y
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}
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20
tests/hardening/systemd_timesyncd_is_enabled_and_running.sh
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20
tests/hardening/systemd_timesyncd_is_enabled_and_running.sh
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@@ -0,0 +1,20 @@
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# shellcheck shell=bash
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# run-shellcheck
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test_audit() {
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describe Ensure package is installed
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# install dependencies
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apt update
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apt install -y systemd-timesyncd
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# not much to test here, we are running in a container, we wont check service state
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describe Checking blank host
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register_test retvalshouldbe 0
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# shellcheck disable=2154
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run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
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apt remove -y systemd-timesyncd
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apt autoremove -y
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}
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