update chap 5 to cis 1.11

Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>
This commit is contained in:
Thomas Sjögren 2016-04-15 00:12:00 +02:00
parent e849844bc6
commit 9e94259903

View file

@ -57,42 +57,7 @@ else
fi
# 5.3
check_5_3="5.3 - Verify that containers are running only a single main process"
fail=0
printcheck=0
for c in $containers; do
processes=$(docker exec "$c" ps -el 2>/dev/null | tail -n +2 | grep -c -v 'ps')
if [ "$processes" -gt 1 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_3"
warn " * Too many processes running: $c"
fail=1
printcheck=1
else
warn " * Too many processes running: $c"
fi
fi
exec_check=$(docker exec "$c" ps -el 2>/dev/null)
if [ $? -eq 255 ]; then
if [ $printcheck -eq 0 ]; then
warn "$check_5_3"
printcheck=1
fi
warn " * Docker exec fails: $c"
fail=1
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"
check_5_3="5.3 - Restrict Linux Kernel Capabilities within containers"
fail=0
for c in $containers; do
@ -101,7 +66,7 @@ else
if [ "$caps" != 'CapAdd=' -a "$caps" != 'CapAdd=[]' -a "$caps" != 'CapAdd=<no value>' -a "$caps" != 'CapAdd=<nil>' ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_4"
warn "$check_5_3"
warn " * Capabilities added: $caps to $c"
fail=1
else
@ -111,11 +76,11 @@ else
done
# We went through all the containers and found none with extra capabilities
if [ $fail -eq 0 ]; then
pass "$check_5_4"
pass "$check_5_3"
fi
# 5.5
check_5_5="5.5 - Do not use privileged containers"
# 5.4
check_5_4="5.4 - Do not use privileged containers"
fail=0
for c in $containers; do
@ -124,7 +89,7 @@ else
if [ "$privileged" = "true" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_5"
warn "$check_5_4"
warn " * Container running in Privileged mode: $c"
fail=1
else
@ -134,11 +99,11 @@ else
done
# We went through all the containers and found no privileged containers
if [ $fail -eq 0 ]; then
pass "$check_5_5"
pass "$check_5_4"
fi
# 5.6
check_5_6="5.6 - Do not mount sensitive host system directories on containers"
# 5.5
check_5_5="5.5 - Do not mount sensitive host system directories on containers"
# List of sensitive directories to test for. Script uses new-lines as a separator.
# Note the lack of identation. It needs it for the substring comparison.
@ -165,7 +130,7 @@ else
if [ $sensitive -eq 1 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_6"
warn "$check_5_5"
warn " * Sensitive directory $v mounted in: $c"
fail=1
else
@ -176,11 +141,11 @@ else
done
# We went through all the containers and found none with sensitive mounts
if [ $fail -eq 0 ]; then
pass "$check_5_6"
pass "$check_5_5"
fi
# 5.7
check_5_7="5.7 - Do not run ssh within containers"
# 5.6
check_5_6="5.6 - Do not run ssh within containers"
fail=0
printcheck=0
@ -190,7 +155,7 @@ else
if [ "$processes" -ge 1 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_7"
warn "$check_5_6"
warn " * Container running sshd: $c"
fail=1
printcheck=1
@ -202,7 +167,7 @@ else
exec_check=$(docker exec "$c" ps -el 2>/dev/null)
if [ $? -eq 255 ]; then
if [ $printcheck -eq 0 ]; then
warn "$check_5_7"
warn "$check_5_6"
printcheck=1
fi
warn " * Docker exec fails: $c"
@ -212,11 +177,11 @@ else
done
# We went through all the containers and found none with sshd
if [ $fail -eq 0 ]; then
pass "$check_5_7"
pass "$check_5_6"
fi
# 5.8
check_5_8="5.8 - Do not map privileged ports within containers"
# 5.7
check_5_7="5.7 - Do not map privileged ports within containers"
fail=0
for c in $containers; do
@ -228,7 +193,7 @@ else
if [ ! -z "$port" ] && [ "0$port" -lt 1024 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_8"
warn "$check_5_7"
warn " * Privileged Port in use: $port in $c"
fail=1
else
@ -239,11 +204,11 @@ else
done
# We went through all the containers and found no privileged ports
if [ $fail -eq 0 ]; then
pass "$check_5_8"
pass "$check_5_7"
fi
# 5.10
check_5_10="5.10 - Do not use host network mode on container"
# 5.9
check_5_9="5.9 - Do not share the host's network namespace"
fail=0
for c in $containers; do
@ -252,7 +217,7 @@ else
if [ "$mode" = "NetworkMode=host" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_10"
warn "$check_5_9"
warn " * Container running with networking mode 'host': $c"
fail=1
else
@ -262,11 +227,11 @@ else
done
# We went through all the containers and found no Network Mode host
if [ $fail -eq 0 ]; then
pass "$check_5_10"
pass "$check_5_9"
fi
# 5.11
check_5_11="5.11 - Limit memory usage for container"
# 5.10
check_5_10="5.10 - Limit memory usage for container"
fail=0
for c in $containers; do
@ -281,7 +246,7 @@ else
if [ "$memory" = "0" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_11"
warn "$check_5_10"
warn " * Container running without memory restrictions: $c"
fail=1
else
@ -291,11 +256,11 @@ else
done
# We went through all the containers and found no lack of Memory restrictions
if [ $fail -eq 0 ]; then
pass "$check_5_11"
pass "$check_5_10"
fi
# 5.12
check_5_12="5.12 - Set container CPU priority appropriately"
# 5.11
check_5_11="5.11 - Set container CPU priority appropriately"
fail=0
for c in $containers; do
@ -310,7 +275,7 @@ else
if [ "$shares" = "0" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_12"
warn "$check_5_11"
warn " * Container running without CPU restrictions: $c"
fail=1
else
@ -320,11 +285,11 @@ else
done
# We went through all the containers and found no lack of CPUShare restrictions
if [ $fail -eq 0 ]; then
pass "$check_5_12"
pass "$check_5_11"
fi
# 5.13
check_5_13="5.13 - Mount container's root filesystem as read only"
# 5.12
check_5_12="5.12 - Mount container's root filesystem as read only"
fail=0
for c in $containers; do
@ -333,7 +298,7 @@ else
if [ "$read_status" = "false" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_13"
warn "$check_5_12"
warn " * Container running with root FS mounted R/W: $c"
fail=1
else
@ -343,11 +308,11 @@ else
done
# We went through all the containers and found no R/W FS mounts
if [ $fail -eq 0 ]; then
pass "$check_5_13"
pass "$check_5_12"
fi
# 5.14
check_5_14="5.14 - Bind incoming container traffic to a specific host interface"
# 5.13
check_5_13="5.13 - Bind incoming container traffic to a specific host interface"
fail=0
for c in $containers; do
@ -355,7 +320,7 @@ else
if [ "$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 "$check_5_13"
warn " * Port being bound to wildcard IP: $ip in $c"
fail=1
else
@ -365,35 +330,35 @@ else
done
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_13"
fi
# 5.14
check_5_14="5.14 - Set the 'on-failure' container restart policy to 5"
fail=0
for c in $containers; do
policy=$(docker inspect --format MaximumRetryCount='{{ .HostConfig.RestartPolicy.MaximumRetryCount }}' "$c")
if [ "$policy" != "MaximumRetryCount=5" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_14"
warn " * MaximumRetryCount is not set to 5: $c"
fail=1
else
warn " * MaximumRetryCount is not set to 5: $c"
fi
fi
done
# We went through all the containers and they all had MaximumRetryCount=5
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"
fail=0
for c in $containers; do
policy=$(docker inspect --format 'RestartPolicyName={{ .HostConfig.RestartPolicy.Name }}' "$c")
if [ "$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: $c"
fail=1
else
warn " * Restart Policy set to always: $c"
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"
check_5_15="5.15 - Do not share the host's process namespace"
fail=0
for c in $containers; do
@ -402,7 +367,7 @@ else
if [ "$mode" = "PidMode=host" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_16"
warn "$check_5_15"
warn " * Host PID namespace being shared with: $c"
fail=1
else
@ -412,11 +377,11 @@ else
done
# We went through all the containers and found none with PidMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_16"
pass "$check_5_15"
fi
# 5.17
check_5_17="5.17 - Do not share the host's IPC namespace"
# 5.16
check_5_16="5.16 - Do not share the host's IPC namespace"
fail=0
for c in $containers; do
@ -425,7 +390,7 @@ else
if [ "$mode" = "IpcMode=host" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_17"
warn "$check_5_16"
warn " * Host IPC namespace being shared with: $c"
fail=1
else
@ -435,11 +400,11 @@ else
done
# We went through all the containers and found none with IPCMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_17"
pass "$check_5_16"
fi
# 5.18
check_5_18="5.18 - Do not directly expose host devices to containers"
# 5.17
check_5_17="5.17 - Do not directly expose host devices to containers"
fail=0
for c in $containers; do
@ -448,7 +413,7 @@ else
if [ "$devices" != "Devices=" -a "$devices" != "Devices=[]" -a "$devices" != "Devices=<no value>" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_5_18"
info "$check_5_17"
info " * Container has devices exposed directly: $c"
fail=1
else
@ -458,11 +423,11 @@ else
done
# We went through all the containers and found none with devices
if [ $fail -eq 0 ]; then
pass "$check_5_18"
pass "$check_5_17"
fi
# 5.19
check_5_19="5.19 - Override default ulimit at runtime only if needed"
# 5.18
check_5_18="5.18 - Override default ulimit at runtime only if needed"
# List all the running containers, ouput their ID and host devices
fail=0
@ -472,7 +437,7 @@ else
if [ "$ulimits" = "Ulimits=" -o "$ulimits" = "Ulimits=[]" -o "$ulimits" = "Ulimits=<no value>" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_5_19"
info "$check_5_18"
info " * Container no default ulimit override: $c"
fail=1
else
@ -482,6 +447,122 @@ else
done
# We went through all the containers and found none without Ulimits
if [ $fail -eq 0 ]; then
pass "$check_5_18"
fi
# 5.19
check_5_19="5.19 - Do not set mount propagation mode to shared"
fail=0
for c in $containers; do
mode=$(docker inspect --format 'Propagation={{range $mnt := .Mounts}} {{json $mnt.Propagation}} {{end}}' "$c")
if [ "$mode" = "Propagation=shared" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_19"
warn " * Mount propagation mode is shared: $c"
fail=1
else
warn " * Mount propagation mode is shared: $c"
fi
fi
done
# We went through all the containers and found none with shared propagation mode
if [ $fail -eq 0 ]; then
pass "$check_5_19"
fi
# 5.20
check_5_20="5.20 - Do not share the host's UTS namespace"
fail=0
for c in $containers; do
mode=$(docker inspect --format 'UTSMode={{.HostConfig.UTSMode }}' "$c")
if [ "$mode" = "UTSMode=host" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_20"
warn " * Host UTS namespace being shared with: $c"
fail=1
else
warn " * Host UTS namespace being shared with: $c"
fi
fi
done
# We went through all the containers and found none with UTSMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_20"
fi
# 5.21
check_5_21="5.21 - Do not disable default seccomp profile"
fail=0
for c in $containers; do
docker inspect --format 'SecurityOpt={{.HostConfig.SecurityOpt }}' "$c" | grep 'seccomp:unconfined' 2>/dev/null 1>&2
if [ $? -eq 0 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_21"
warn " * Default seccomp profile disabled: $c"
fail=1
else
warn " * Default seccomp profile disabled: $c"
fi
fi
done
# We went through all the containers and found none with UTSMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_21"
fi
# 5.24
check_5_24="5.24 - Confirm cgroup usage"
fail=0
for c in $containers; do
mode=$(docker inspect --format 'CgroupParent={{.HostConfig.CgroupParent }}x' "$c")
if [ "$mode" != "CgroupParent=x" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_5_24"
info " * Confirm cgroup usage: $c"
fail=1
else
info " * Confirm cgroup usage: $c"
fi
fi
done
# We went through all the containers and found none with UTSMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_24"
fi
# 5.25
check_5_25="5.25 - Restrict container from acquiring additional privileges"
fail=0
for c in $containers; do
docker inspect --format 'SecurityOpt={{.HostConfig.SecurityOpt }}' "$c" | grep 'no-new-privileges' 2>/dev/null 1>&2
if [ $? -ne 0 ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
warn "$check_5_25"
warn " * Privileges not restricted: $c"
fail=1
else
warn " * Privileges not restricted: $c"
fi
fi
done
# We went through all the containers and found none with UTSMode as host
if [ $fail -eq 0 ]; then
pass "$check_5_25"
fi
fi