Docker Daemon Socket is Exposed to Containers
- Query id: 4e203a65-c8d8-49a2-b749-b124d43c9dc1
- Query name: Docker Daemon Socket is Exposed to Containers
- Platform: Terraform
- Severity: Low
- Category: Access Control
- URL: Github
Description¶
Sees if Docker Daemon Socket is not exposed to Containers
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Postitive test num. 1 - tf file
resource "kubernetes_pod" "test" {
metadata {
name = "terraform-example"
}
spec {
volume = [
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
,
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
]
container {
image = "nginx:1.7.9"
name = "example"
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_deployment" "example" {
metadata {
name = "terraform-example"
labels = {
test = "MyExampleApp"
}
}
spec {
replicas = 3
selector {
match_labels = {
test = "MyExampleApp"
}
}
template {
metadata {
labels = {
test = "MyExampleApp"
}
}
spec {
volume = [
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
,
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
]
container {
image = "nginx:1.7.8"
name = "example"
resources {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
}
}
}
}
resource "kubernetes_cron_job" "demo2" {
metadata {
name = "demo"
}
spec {
concurrency_policy = "Replace"
failed_jobs_history_limit = 5
schedule = "1 0 * * *"
starting_deadline_seconds = 10
successful_jobs_history_limit = 10
job_template {
metadata {}
spec {
backoff_limit = 2
ttl_seconds_after_finished = 10
template {
metadata {}
spec {
volume = [
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
,
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
]
container {
name = "hello"
image = "busybox"
command = ["/bin/sh", "-c", "date; echo Hello from the Kubernetes cluster"]
}
}
}
}
}
}
}
Code samples without security vulnerabilities¶
Negative test num. 1 - tf file
resource "kubernetes_pod" "test2" {
metadata {
name = "terraform-example"
}
spec {
volume = [
{
host_path = {
path = "/data"
type = "Directory"
}
}
,
{
host_path = {
path = "/data"
type = "Directory"
}
}
]
container {
image = "nginx:1.7.9"
name = "example"
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_deployment" "example2" {
metadata {
name = "terraform-example"
labels = {
test = "MyExampleApp"
}
}
spec {
replicas = 3
selector {
match_labels = {
test = "MyExampleApp"
}
}
template {
metadata {
labels = {
test = "MyExampleApp"
}
}
spec {
volume = [
{
host_path = {
path = "/data"
type = "Directory"
}
}
,
{
host_path = {
path = "/data"
type = "Directory"
}
}
]
container {
image = "nginx:1.7.8"
name = "example"
resources {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
}
}
}
}
resource "kubernetes_cron_job" "demo22" {
metadata {
name = "demo"
}
spec {
concurrency_policy = "Replace"
failed_jobs_history_limit = 5
schedule = "1 0 * * *"
starting_deadline_seconds = 10
successful_jobs_history_limit = 10
job_template {
metadata {}
spec {
backoff_limit = 2
ttl_seconds_after_finished = 10
template {
metadata {}
spec {
volume = [
{
host_path = {
path = "/data"
type = "Directory"
}
}
,
{
host_path = {
path = "/data"
type = "Directory"
}
}
]
container {
name = "hello"
image = "busybox"
command = ["/bin/sh", "-c", "date; echo Hello from the Kubernetes cluster"]
}
}
}
}
}
}
}