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feat: official Debian 11 compatibility (#176)

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Introduce Debian 11 compatibility
Based on CIS_Debian_Linux_11_Benchmark_v1.0.0

After review, here are the notable changes :
 - Harden /var/log more (noexec,nodev,nosuid)
 - Harden /var/log/audit more (noexec,nodev,nosuid)
 - Harden /home more (nosuid)
 - Disable cramfs
 - Fix 5.3.4_acc_pam_sha512.sh
 - Deprecate Debian 9 and remove useless docker images

NB : more audit log rules have been introduced and will be inserted in the checks later
Fix #158
This commit is contained in:
GoldenKiwi
2023-05-02 14:16:19 +02:00
committed by GitHub
parent 05521d5961
commit 04457e7df2
29 changed files with 1168 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
tests/docker/Dockerfile.debian8
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@ -1,22 +0,0 @@
FROM debian:jessie
LABEL vendor="OVH"
LABEL project="debian-cis"
LABEL url="https://github.com/ovh/debian-cis"
LABEL description="This image is used to run tests"
RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd
COPY --chown=500:500 . /opt/debian-cis/
COPY debian/default /etc/default/cis-hardening
RUN sed -i 's#cis-hardening#debian-cis#' /etc/default/cis-hardening
COPY cisharden.sudoers /etc/sudoers.d/secaudit
RUN sed -i 's#cisharden#secaudit#' /etc/sudoers.d/secaudit
ENTRYPOINT ["/opt/debian-cis/tests/launch_tests.sh"]

22
tests/docker/Dockerfile.debian9
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FROM debian:stretch
LABEL vendor="OVH"
LABEL project="debian-cis"
LABEL url="https://github.com/ovh/debian-cis"
LABEL description="This image is used to run tests"
RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd
COPY --chown=500:500 . /opt/debian-cis/
COPY debian/default /etc/default/cis-hardening
RUN sed -i 's#cis-hardening#debian-cis#' /etc/default/cis-hardening
COPY cisharden.sudoers /etc/sudoers.d/secaudit
RUN sed -i 's#cisharden#secaudit#' /etc/sudoers.d/secaudit
ENTRYPOINT ["/opt/debian-cis/tests/launch_tests.sh"]

20
tests/hardening/1.1.1.8_disable_cramfs.sh Normal file
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@ -0,0 +1,20 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
if [ -f "/.dockerenv" ]; then
skip "SKIPPED on docker"
else
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
fi
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.11.1_var_log_noexec.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.11.2_var_log_nosuid.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.11.3_var_log_nodev.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.12.1_var_log_audit_noexec.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.12.2_var_log_audit_nosuid.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.12.3_var_log_audit_nodev.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.14.1_home_nosuid.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.6.1_var_nodev.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.1.6.2_var_nosuid.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

16
tests/hardening/1.6.3.1_disable_apport.sh Normal file
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@ -0,0 +1,16 @@
# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
dismiss_count_for_test
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
##################################################################
# For this test, we only check that it runs properly on a blank #
# host, and we check root/sudo consistency. But, we don't test #
# the apply function because it can't be automated or it is very #
# long to test and not very useful. #
##################################################################
}

2
tests/hardening/5.3.4_acc_pam_sha512.sh
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@ -3,7 +3,7 @@
test_audit() {
describe Running on blank host
register_test retvalshouldbe 0
register_test contain "[ OK ] ^\s*password\s.+\s+pam_unix\.so\s+.*sha512 is present in /etc/pam.d/common-password"
register_test contain REGEX "[ OK ] .*(sha512|yescrypt) is present in /etc/pam.d/common-password"
# shellcheck disable=2154
run blank /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}