First version of the CIS Docker Benchmark v1.0.0

This commit is contained in:
Diogo Monica 2015-05-10 21:08:28 -07:00
parent 487307834f
commit 18d5a13240
13 changed files with 1545 additions and 0 deletions

View file

@ -0,0 +1,208 @@
#!/bin/sh
logit ""
info "1 - Host Configuration"
# 1.1
check_1_1="1.1 - Create a separate partition for containers"
grep /var/lib/docker /etc/fstab >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_1"
else
warn "$check_1_1"
fi
# 1.2
check_1_2="1.2 - Use an updated Linux Kernel"
kernel_version=`uname -r | cut -d "-" -f 1`
do_version_check 3.10 $kernel_version
if [ $? -eq 11 ]; then
warn "$check_1_2"
else
pass "$check_1_2"
fi
# 1.5
check_1_5="1.5 - Remove all non-essential services from the host - Network"
# Check for listening network services.
listening_services=`netstat -na | grep -v tcp6 | grep -v unix | grep LISTEN | wc -l`
if [ $listening_services -eq 0 ]; then
warn "1.5 - Failed to get listening services for check: $check_1_5"
else
if [ $listening_services -gt 5 ]; then
warn "$check_1_5"
else
pass "$check_1_5"
fi
fi
# 1.6
check_1_6="1.6 - Keep Docker up to date"
docker_version=`docker version | grep 'Server version' | awk '{print $3}'`
if [ $? -eq 11 ]; then
warn "$check_1_6"
else
pass "$check_1_6"
fi
# 1.7
check_1_7="1.7 - Only allow trusted users to control Docker daemon"
docker_users=`cat /etc/group | grep docker`
info "$check_1_7"
for u in $docker_users; do
info " * $u"
done
# 1.8
check_1_8="1.8 - Audit docker daemon"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /usr/bin/docker >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_8"
else
warn "$check_1_8"
fi
else
warn "1.8 - Failed to inspect: auditctl command not found."
fi
# 1.9
check_1_9="1.9 - Audit Docker files and directories - /var/lib/docker"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /var/lib/docker >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_9"
else
warn "$check_1_9"
fi
else
warn "1.9 - Failed to inspect: auditctl command not found."
fi
# 1.10
check_1_10="1.10 - Audit Docker files and directories - /etc/docker"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/docker >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_10"
else
warn "$check_1_10"
fi
else
warn "1.10 - Failed to inspect: auditctl command not found."
fi
# 1.11
check_1_11="1.11 - Audit Docker files and directories - docker-registry.service"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /usr/lib/systemd/system/docker-registry.service >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_11"
else
warn "$check_1_11"
fi
else
warn "1.11 - Failed to inspect: auditctl command not found."
fi
# 1.12
check_1_12="1.12 - Audit Docker files and directories - docker.service"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /usr/lib/systemd/system/docker.service >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_12"
else
warn "$check_1_12"
fi
else
warn "1.12 - Failed to inspect: auditctl command not found."
fi
# 1.13
check_1_13="1.13 - Audit Docker files and directories - /var/run/docker.sock"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /var/run/docker.sock >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_13"
else
warn "$check_1_13"
fi
else
warn "1.13 - Failed to inspect: auditctl command not found."
fi
# 1.14
check_1_14="1.14 - Audit Docker files and directories - /etc/sysconfig/docker"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/sysconfig/docker >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_14"
else
warn "$check_1_14"
fi
else
warn "1.14 - Failed to inspect: auditctl command not found."
fi
# 1.15
check_1_15="1.15 - Audit Docker files and directories - /etc/sysconfig/docker-network"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/sysconfig/docker-network >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_15"
else
warn "$check_1_15"
fi
else
warn "1.15 - Failed to inspect: auditctl command not found."
fi
# 1.16
check_1_16="1.16 - Audit Docker files and directories - /etc/sysconfig/docker-registry"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/sysconfig/docker-registry >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_16"
else
warn "$check_1_16"
fi
else
warn "1.16 - Failed to inspect: auditctl command not found."
fi
# 1.17
check_1_17="1.17 - Audit Docker files and directories - /etc/sysconfig/docker-storage"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/sysconfig/docker-storage >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_17"
else
warn "$check_1_17"
fi
else
warn "1.17 - Failed to inspect: auditctl command not found."
fi
# 1.18
check_1_18="1.18 - Audit Docker files and directories - /etc/default/docker"
command -v auditctl >/dev/null 2>&1
if [ $? -eq 0 ]; then
auditctl -l | grep /etc/default/docker >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_1_18"
else
warn "$check_1_18"
fi
else
warn "1.18 - Failed to inspect: auditctl command not found."
fi

View file

@ -0,0 +1,105 @@
#!/bin/sh
logit "\n"
info "2 - Docker Daemon Configuration"
# 2.1
check_2_1="2.1 - Do not use lxc execution driver"
ps -ef | grep docker | grep lxc >/dev/null 2>&1
if [ $? -eq 0 ]; then
warn "$check_2_1"
else
pass "$check_2_1"
fi
# 2.2
check_2_2="2.2 - Restrict network traffic between containers"
ps -ef | grep docker | grep "icc=false" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_2_2"
else
warn "$check_2_2"
fi
# 2.3
check_2_3="2.3 - Set the logging level"
ps -ef | grep docker | grep "log-level=\"debug\"" >/dev/null 2>&1
if [ $? -eq 0 ]; then
warn "$check_2_3"
else
pass "$check_2_3"
fi
# 2.4
check_2_4="2.4 - Allow Docker to make changes to iptables"
ps -ef | grep docker | grep "iptables=false" >/dev/null 2>&1
if [ $? -eq 0 ]; then
warn "$check_2_4"
else
pass "$check_2_4"
fi
# 2.5
check_2_5="2.5 - Do not use insecure registries"
ps -ef | grep docker | grep "insecure-registry" >/dev/null 2>&1
if [ $? -eq 0 ]; then
warn "$check_2_5"
else
pass "$check_2_5"
fi
# 2.6
check_2_6="2.6 - Setup a local registry mirror"
ps -ef | grep docker | grep "registry-mirror" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_2_6"
else
info "$check_2_6"
info " * No local registry currently configured"
fi
# 2.7
check_2_7="2.7 - Do not use the aufs storage driver"
storage_driver=`docker info 2>/dev/null| grep -e "^Storage Driver:\s*aufs\s*$"`
if [ $? -eq 0 ]; then
warn "$check_2_7"
else
pass "$check_2_7"
fi
# 2.8
check_2_8="2.8 - Do not bind Docker to another IP/Port or a Unix socket"
ps -ef | grep docker | grep "\-H" >/dev/null 2>&1
if [ $? -eq 0 ]; then
info "$check_2_8"
info " * Docker daemon running with -H"
else
pass "$check_2_8"
fi
# 2.9
check_2_9="2.9 - Configure TLS authentication for Docker daemon"
ps -ef | grep docker | grep "tcp://" >/dev/null 2>&1
if [ $? -eq 0 ]; then
ps -ef | grep docker | grep "tlsverify" | grep "tlskey" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_2_9"
info " * Docker daemon currently listening on TCP"
else
warn "$check_2_9"
warn " * Docker daemon currently listening on TCP without --tlsverify"
fi
else
info "$check_2_9"
info " * Docker daemon not listening on TCP"
fi
# 2.10
check_2_10="2.10 - Set default ulimit as appropriate"
ps -ef | grep docker | grep "default-ulimit" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_2_10"
else
info "$check_2_10"
info " * Default ulimit doesn't appear to be set"
fi

View file

@ -0,0 +1,435 @@
#!/bin/sh
logit "\n"
info "3 - Docker Daemon Configuration Files"
# 3.1
check_3_1="3.1 - Verify that docker.service file ownership is set to root:root"
file="/usr/lib/systemd/system/docker.service"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_1"
else
warn "$check_3_1"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_1"
info " * File not found"
fi
# 3.2
check_3_2="3.2 - Verify that docker.service file permissions are set to 644"
file="/usr/lib/systemd/system/docker.service"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_2"
else
warn "$check_3_2"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_2"
info " * File not found"
fi
# 3.3
check_3_3="3.3 - Verify that docker-registry.service file ownership is set to root:root"
file="/usr/lib/systemd/system/docker-registry.service"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_3"
else
warn "$check_3_3"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_3"
info " * File not found"
fi
# 3.4
check_3_4="3.4 - Verify that docker-registry.service file permissions are set to 644"
file="/usr/lib/systemd/system/docker-registry.service"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_4"
else
warn "$check_3_4"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_4"
info " * File not found"
fi
# 3.5
check_3_5="3.5 - Verify that docker.socket file ownership is set to root:root"
file="/usr/lib/systemd/system/docker.socket"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_5"
else
warn "$check_3_5"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_5"
info " * File not found"
fi
# 3.6
check_3_6="3.6 - Verify that docker.socket file permissions are set to 644"
file="/usr/lib/systemd/system/docker.socket"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_6"
else
warn "$check_3_6"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_6"
info " * File not found"
fi
# 3.7
check_3_7="3.7 - Verify that Docker environment file ownership is set to root:root "
file="/etc/sysconfig/docker"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_7"
else
warn "$check_3_7"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_7"
info " * File not found"
fi
# 3.8
check_3_8="3.8 - Verify that Docker environment file permissions are set to 644"
file="/etc/sysconfig/docker"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_8"
else
warn "$check_3_8"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_8"
info " * File not found"
fi
# 3.9
check_3_9="3.9 - Verify that docker-network environment file ownership is set to root:root"
file="/etc/sysconfig/docker-network"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_9"
else
warn "$check_3_9"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_9"
info " * File not found"
fi
# 3.10
check_3_10="3.10 - Verify that docker-network environment file permissions are set to 644"
file="/etc/sysconfig/docker-network"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_10"
else
warn "$check_3_10"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_10"
info " * File not found"
fi
# 3.11
check_3_11="3.11 - Verify that docker-registry environment file ownership is set to root:root"
file="/etc/sysconfig/docker-registry"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_11"
else
warn "$check_3_11"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_11"
info " * File not found"
fi
# 3.12
check_3_12="3.12 - Verify that docker-registry environment file permissions are set to 644"
file="/etc/sysconfig/docker-registry"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_12"
else
warn "$check_3_12"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_12"
info " * File not found"
fi
# 3.13
check_3_13="3.13 - Verify that docker-storage environment file ownership is set to root:root"
file="/etc/sysconfig/docker-storage"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_13"
else
warn "$check_3_13"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_13"
info " * File not found"
fi
# 3.14
check_3_14="3.14 - Verify that docker-storage environment file permissions are set to 644"
file="/etc/sysconfig/docker-storage"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $1}' | grep "rw-r--r--" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_14"
else
warn "$check_3_14"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_14"
info " * File not found"
fi
# 3.15
check_3_15="3.15 - Verify that /etc/docker directory ownership is set to root:root"
directory="/etc/docker"
if [ -d "$directory" ]; then
ls -ld "$directory" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_15"
else
warn "$check_3_15"
warn " * Wrong ownership for $directory"
fi
else
info "$check_3_15"
info " * Directory not found"
fi
# 3.16
check_3_16="3.16 - Verify that /etc/docker directory permissions are set to 755"
directory="/etc/docker"
if [ -d "$directory" ]; then
perms=`ls -ld $directory | awk '{print $1}'`
if [ $perms = "drwxr-xr-x." ]; then
pass "$check_3_16"
elif [ $perms = "drwx------" ]; then
pass "$check_3_16"
else
warn "$check_3_16"
warn " * Wrong permissions for $directory"
fi
else
info "$check_3_16"
info " * Directory not found"
fi
# 3.17
check_3_17="3.17 - Verify that registry certificate file ownership is set to root:root"
directory="/etc/docker/certs.d/"
if [ -d "$directory" ]; then
fail=0
owners=`ls -lL $directory/* | grep .crt | awk '{print $3, $4}'`
for p in $owners; do
printf "$p" | grep "root" >/dev/null 2>&1
if [ $? -ne 0 ]; then
fail=1
fi
done
if [ $fail -eq 1 ]; then
warn "$check_3_17"
warn " * Wrong ownership for $directory"
else
pass "$check_3_17"
fi
else
info "$check_3_17"
info " * Directory not found"
fi
# 3.18
check_3_18="3.18 - Verify that registry certificate file permissions are set to 444"
directory="/etc/docker/certs.d/"
if [ -d "$directory" ]; then
fail=0
perms=`ls -lL $directory/* | grep .crt | awk '{print $1}'`
for p in $perms; do
if test "$p" != "-rw-r--r--." && test "$p" = "-rw-------."; then
fail=1
fi
done
if [ $fail -eq 1 ]; then
warn "$check_3_18"
warn " * Wrong permissions for $directory"
else
pass "$check_3_18"
fi
else
info "$check_3_18"
info " * Directory not found"
fi
# 3.19
check_3_19="3.19 - Verify that TLS CA certificate file ownership is set to root:root"
tlscacert=`ps -ef | grep docker | sed -n 's/.*tlscacert=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlscacert" ]; then
ls -ld "$tlscacert" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_19"
else
warn "$check_3_19"
warn " * Wrong ownership for $tlscacert"
fi
else
info "$check_3_19"
info " * No TLS CA certificate found"
fi
# 3.20
check_3_20="3.20 - Verify that TLS CA certificate file permissions are set to 444"
tlscacert=`ps -ef | grep docker | sed -n 's/.*tlscacert=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlscacert" ]; then
perms=`ls -ld "$tlscacert" | awk '{print $1}'`
if test "$perms" = "-rw-r--r--"; then
pass "$check_3_20"
else
warn "$check_3_20"
warn " * Wrong permissions for $tlscacert"
fi
else
info "$check_3_20"
info " * No TLS CA certificate found"
fi
# 3.21
check_3_21="3.21 - Verify that Docker server certificate file ownership is set to root:root"
tlscert=`ps -ef | grep docker | sed -n 's/.*tlscert=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlscert" ]; then
ls -ld "$tlscert" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_21"
else
warn "$check_3_21"
warn " * Wrong ownership for $tlscert"
fi
else
info "$check_3_21"
info " * No TLS Server certificate found"
fi
# 3.22
check_3_22="3.22 - Verify that Docker server certificate file permissions are set to 444"
tlscacert=`ps -ef | grep docker | sed -n 's/.*tlscert=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlscert" ]; then
perms=`ls -ld "$tlscert" | awk '{print $1}'`
if test "$perms" = "-rw-r--r--"; then
pass "$check_3_22"
else
warn "$check_3_22"
warn " * Wrong permissions for $tlscert"
fi
else
info "$check_3_22"
info " * No TLS Server certificate found"
fi
# 3.23
check_3_23="3.23 - Verify that Docker server key file ownership is set to root:root"
tlskey=`ps -ef | grep docker | sed -n 's/.*tlskey=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlskey" ]; then
ls -ld "$tlskey" | awk '{print $3, $4}' | grep "root root" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_23"
else
warn "$check_3_23"
warn " * Wrong ownership for $tlskey"
fi
else
info "$check_3_23"
info " * No TLS Key found"
fi
# 3.24
check_3_24="3.24 - Verify that Docker server key file permissions are set to 400"
tlskey=`ps -ef | grep docker | sed -n 's/.*tlskey=\([^s]\)/\1/p' | cut -d " " -f 1`
if [ -f "$tlskey" ]; then
perms=`ls -ld "$tlskey" | awk '{print $1}'`
if test "$perms" = "-r--------"; then
pass "$check_3_24"
else
warn "$check_3_24"
warn " * Wrong permissions for $tlskey"
fi
else
info "$check_3_24"
info " * No TLS Key found"
fi
# 3.25
check_3_25="3.25 - Verify that Docker socket file ownership is set to root:docker"
file="/var/run/docker.sock"
if [ -f "$file" ]; then
ls -ld "$file" | awk '{print $3, $4}' | grep "root docker" >/dev/null 2>&1
if [ $? -eq 0 ]; then
pass "$check_3_25"
else
warn "$check_3_25"
warn " * Wrong ownership for $file"
fi
else
info "$check_3_25"
info " * File not found"
fi
# 3.26
check_3_26="3.26 - Verify that Docker socket file permissions are set to 660"
file="/var/run/docker.sock"
if [ -f "$file" ]; then
perms=`ls -ld "$file" | awk '{print $1}'`
if test "$perms" = "srw-rw----"; then
pass "$check_3_26"
else
warn "$check_3_26"
warn " * Wrong permissions for $file"
fi
else
info "$check_3_26"
info " * File not found"
fi

View file

@ -0,0 +1,43 @@
#!/bin/sh
logit "\n"
info "4 - Container Images and Build Files"
# 4.1
check_4_1="4.1 - Create a user for the container"
containers=`docker ps -q`
# If container_users is empty, there are no running containers
if test "$containers" = ""; then
info "$check_4_1"
info " * No containers running"
else
# List all the running containers, ouput their ID and USER
containers=`docker ps -q | xargs docker inspect --format '{{ .Id }}:User={{.Config.User}}' 2>/dev/null`
# We have some containers running, set failure flag to 0. Check for Users.
fail=0
# Make the loop separator be a new-line in POSIX compliant fashion
set -f; IFS=$'
'
for c in $containers; do
user=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $user = "User=" || test $user = "User=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_4_1"
warn " * Running as root: $container_id"
fail=1
else
warn " * Running as root: $container_id"
fi
fi
done
# We went through all the containers and found none running as root
if [ $fail -eq 0 ]; then
pass "$check_4_1"
fi
fi
# Make the loop separator go back to space
set +f; unset IFS

View file

@ -0,0 +1,499 @@
#!/bin/sh
logit "\n"
info "5 - Container Runtime"
# If containers is empty, there are no running containers
if test "$containers" = ""; then
info " * No containers running, skipping Section 5"
else
# List all running containers
containers=`docker ps -q`
# Make the loop separator be a new-line in POSIX compliant fashion
set -f; IFS=$'
'
# 5.1
check_5_1="5.1 - Verify AppArmor Profile, if applicable"
# List all the running containers, ouput their ID and AppArmorProfile
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:AppArmorProfile={{.AppArmorProfile }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
policy=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $policy = "AppArmorProfile=" || test $policy = "AppArmorProfile=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_1"
warn " * No AppArmorProfile Found: $container_id"
fail=1
else
warn " * No AppArmorProfile Found: $container_id"
fi
fi
done
# We went through all the containers and found none without AppArmor
if [ $fail -eq 0 ]; then
pass "$check_5_1"
fi
# 5.2
check_5_2="5.2 - Verify SELinux security options, if applicable"
# List all the running containers, ouput their ID and SecurityOptions
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:SecurityOpt={{.HostConfig.SecurityOpt }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
policy=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $policy = "SecurityOpt=" || test $policy = "SecurityOpt=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_2"
warn " * No SecurityOptions Found: $container_id"
fail=1
else
warn " * No SecurityOptions Found: $container_id"
fi
fi
done
# We went through all the containers and found none without SELinux
if [ $fail -eq 0 ]; then
pass "$check_5_2"
fi
# 5.3
check_5_3="5.3 - Verify that containers are running only a single main process"
# List all the running containers, ouput their Id
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
processes=`docker exec $c ps -el 2>/dev/null | wc -l | awk '{print $1}'`
if [ $processes -gt 5 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_3"
warn " * Too many proccesses running: $container_id"
fail=1
else
warn " * Too many proccesses running: $container_id"
fi
fi
done
# We went through all the containers and found none with toom any processes
if [ $fail -eq 0 ]; then
pass "$check_5_3"
fi
# 5.4
check_5_4="5.4 - Restrict Linux Kernel Capabilities within containers"
# List all the running containers, ouput their ID and CapAdd
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:CapAdd={{ .HostConfig.CapAdd}}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
caps=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $caps != "CapAdd=" && test $caps != "CapAdd=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_4"
warn " * Capabilities added: $caps to $container_id"
fail=1
else
warn " * Capabilities added: $caps to $container_id"
fi
fi
done
# We went through all the containers and found none with extra capabilities
if [ $fail -eq 0 ]; then
pass "$check_5_4"
fi
# 5.5
check_5_5="5.5 - Do not use privileged containers"
# List all the running containers, ouput their ID and privileged status
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:{{.HostConfig.Privileged }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
privileged=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $privileged = "true"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_5"
warn " * Container running in Privileged mode: $container_id"
fail=1
else
warn " * Container running in Privileged mode: $container_id"
fi
fi
done
# We went through all the containers and found no privileged containers
if [ $fail -eq 0 ]; then
pass "$check_5_5"
fi
# 5.6
check_5_6="5.6 - Do not mount sensitive host system directories on containers"
containers=`docker ps -q`
# List of sensitive directories to test for. Script uses new-lines as a separator
sensitive_dirs='/boot
/dev
/etc
/lib
/proc
/sys
/usr'
# List all the running containers, ouput their ID and R/W Volumes
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:{{ .VolumesRW }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
volumes=`printf "$c" | cut -d ":" -f 2-`
container_id=`printf "$c" | cut -d ":" -f 1`
sensitive=0
# Go over each directory in sensitive dir and see if they exist in the volumes
for v in $sensitive_dirs; do
if [ $sensitive -eq 0 ]; then
contains "$volumes" "$v:" && sensitive=1
fi
done
if [ $sensitive -eq 1 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_6"
warn " * Container mounted with sensitive directory: $container_id"
fail=1
else
warn " * Container mounted with sensitive directory: $container_id"
fi
fi
done
# We went through all the containers and found none with sensitive mounts
if [ $fail -eq 0 ]; then
pass "$check_5_6"
fi
# 5.7
check_5_7="5.7 - Do not run ssh within containers"
# List all the running containers, ouput their Id
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
processes=`docker exec $c ps -el 2>/dev/null | grep sshd | wc -l | awk '{print $1}'`
if [ $processes -gt 1 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_7"
warn " * Container running sshd: $container_id"
fail=1
else
warn " * Container running sshd: $container_id"
fi
fi
done
# We went through all the containers and found none with sshd
if [ $fail -eq 0 ]; then
pass "$check_5_7"
fi
# 5.8
check_5_8="5.8 - Do not map privileged ports within containers"
# List all the running containers, ouput their listening ports
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $containers; do
port=`docker port $c | awk '{print $1}' | cut -d '/' -f1`
if test "$port" != "" && [ $port -lt 1025 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_8"
warn " * Privileged Port in use: $port"
fail=1
else
warn " * Privileged Port in use: $port"
fi
fi
done
# We went through all the containers and found no privileged ports
if [ $fail -eq 0 ]; then
pass "$check_5_8"
fi
# 5.10
check_5_10="5.10 - Do not use host network mode on container"
# List all the running containers, ouput their ID and network mode
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:NetworkMode={{.HostConfig.NetworkMode }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode = "NetworkMode=host"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_10"
warn " * Container running with networking mode 'host': $container_id"
fail=1
else
warn " * Container running with networking mode 'host': $container_id"
fi
fi
done
# We went through all the containers and found no Network Mode host
if [ $fail -eq 0 ]; then
pass "$check_5_10"
fi
# 5.11
check_5_11="5.11 - Limit memory usage for container"
# List all the running containers, ouput their ID and memory limit
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:{{ .Config.Memory }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
# Make the loop separator be a new-line in POSIX compliant fashion
for c in $cont_inspect; do
memory=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $memory = "0"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_11"
warn " * Container running without memory restrictions: $container_id"
fail=1
else
warn " * Container running without memory restrictions: $container_id"
fi
fi
done
# We went through all the containers and found no lack of Memory restrictions
if [ $fail -eq 0 ]; then
pass "$check_5_11"
fi
# 5.12
check_5_12="5.12 - Set container CPU priority appropriately"
# List all the running containers, ouput their ID and CPU Shares
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:{{.Config.CpuShares }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
shares=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $shares = "0"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_12"
warn " * Container running without CPU restrictions: $container_id"
fail=1
else
warn " * Container running without CPU restrictions: $container_id"
fi
fi
done
# We went through all the containers and found no lack of CPUShare restrictions
if [ $fail -eq 0 ]; then
pass "$check_5_12"
fi
# 5.13
check_5_13="5.13 - Mount container's root filesystem as read only"
# List all the running containers, ouput their ID and status of ReadonlyRootfs
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:{{.HostConfig.ReadonlyRootfs }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
read_status=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $read_status = "false"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_13"
warn " * Container running with root FS mounted R/W: $container_id"
fail=1
else
warn " * Container running with root FS mounted R/W: $container_id"
fi
fi
done
# We went through all the containers and found no R/W FS mounts
if [ $fail -eq 0 ]; then
pass "$check_5_13"
fi
# 5.14
check_5_14="5.14 - Bind incoming container traffic to a specific host interface"
# List all the running containers, ouput the IP where ports are being bound
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $containers; do
ip=`docker port $c | awk '{print $3}' | cut -d ':' -f1`
if test "$ip" = "0.0.0.0"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_14"
warn " * Port being bound to wildcard IP: 0.0.0.0"
fail=1
else
warn " * Port being bound to wildcard IP: 0.0.0.0"
fi
fi
done
# We went through all the containers and found no ports bound to 0.0.0.0
if [ $fail -eq 0 ]; then
pass "$check_5_14"
fi
# 5.15
check_5_15="5.15 - Do not set the 'on-failure' container restart policy to always"
# List all the running containers, ouput their ID and Restart Policy Name
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:RestartPolicyName={{.HostConfig.RestartPolicy.Name }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
policy=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $policy = "RestartPolicyName=always"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_15"
warn " * Restart Policy set to always: $container_id"
fail=1
else
warn " * Restart Policy set to always: $container_id"
fi
fi
done
# We went through all the containers and found none with restart policy always
if [ $fail -eq 0 ]; then
pass "$check_5_15"
fi
# 5.16
check_5_16="5.16 - Do not share the host's process namespace"
# List all the running containers, ouput their ID and PidMode
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:PidMode={{.HostConfig.PidMode }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode = "PidMode=host"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_16"
warn " * Host PID namespace being shared with: $container_id"
fail=1
else
warn " * Host PID namespace being shared with: $container_id"
fi
fi
done
# We went through all the containers and found none with PidMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_16"
fi
# 5.17
check_5_17="5.17 - Do not share the host's IPC namespace"
# List all the running containers, ouput their ID and IpcMode
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:IpcMode={{.HostConfig.IpcMode }}'`
# We have some containers running, set failure flag to 0, set failure flag to 0
fail=0
for c in $cont_inspect; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode = "IpcMode=host"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_17"
warn " * Host IPC namespace being shared with: $container_id"
fail=1
else
warn " * Host IPC namespace being shared with: $container_id"
fi
fi
done
# We went through all the containers and found none with IPCMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_17"
fi
# 5.18
check_5_18="5.18 - Do not directly expose host devices to containers"
# List all the running containers, ouput their ID and host devices
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:Devices={{.HostConfig.Devices }}'`
fail=0
for c in $cont_inspect; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode != "Devices=[]" && test $mode != "Devices=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_5_18"
info " * Container has devices exposed directly: $container_id"
fail=1
else
info " * Container has devices exposed directly: $container_id"
fi
fi
done
# We went through all the containers and found none with devices
if [ $fail -eq 0 ]; then
pass "$check_5_18"
fi
# 5.19
check_5_19="5.19 - Override default ulimit at runtime only if needed"
# List all the running containers, ouput their ID and host devices
cont_inspect=`docker ps -q | xargs docker inspect --format '{{ .Id }}:Ulimits={{.HostConfig.Ulimits }}'`
fail=0
for c in $cont_inspect; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode = "Ulimits=" || test $mode = "Ulimits=<no value>"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_5_19"
info " * Container no default ulimit override: $container_id"
fail=1
else
info " * Container no default ulimit override: $container_id"
fi
fi
done
# We went through all the containers and found none without Ulimits
if [ $fail -eq 0 ]; then
pass "$check_5_19"
fi
fi

View file

@ -0,0 +1,64 @@
#!/bin/sh
logit "\n"
info "6 - Docker Security Operations"
# 6.5
check_6_5="6.5 - Use a centralized and remote log collection service"
containers=`docker ps -q`
# If containers is empty, there are no running containers
if test "$containers" = ""; then
info "$check_6_5"
info " * No containers running"
else
# List all the running containers, ouput their ID and host devices
containers=`docker ps -q | xargs docker inspect --format '{{ .Id}}:{{ .Volumes }}'`
# We have some containers running, set failure flag to 0.
fail=0
# Make the loop separator be a new-line in POSIX compliant fashion
set -f; IFS=$'
'
for c in $containers; do
mode=`printf "$c" | cut -d ":" -f 2`
container_id=`printf "$c" | cut -d ":" -f 1`
if test $mode = "map[]"; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_6_5"
info " * Container has no volumes, ensure centralized logging is enabled : $container_id"
fail=1
else
info " * Container has no volumes, ensure centralized logging is enabled : $container_id"
fi
fi
done
# Only alert if there are no volumes. If there are volumes, can't know if they
# are used for logs
fi
# Make the loop separator go back to space
set +f; unset IFS
# 6.6
check_6_6="6.6 - Avoid image sprawl"
images=`docker images | wc -l | awk '{print $1}'`
if [ $images -gt 200 ]; then
warn "$check_6_6"
warn " * There are currently: $images images"
else
info "$check_6_6"
info " * There are currently: $images images"
fi
# 6.7
check_6_7="6.7 - Avoid container sprawl"
total_containers=`docker info 2>/dev/null | grep "Containers" | awk '{print $2}'`
running_containers=`docker ps -q | wc -l | awk '{print $1}'`
diff=`expr "$total_containers" - "$running_containers"`
if [ $diff -gt 25 ]; then
warn "$check_6_7"
warn " * There are currently a total of $total_containers containers, with only $running_containers of them currently running"
else
info "$check_6_7"
info " * There are currently a total of $total_containers containers, with $running_containers of them currently running"
fi