Non Kube System Pod With Host Mount
- Query id: 86a947ea-f577-4efb-a8b0-5fc00257d521
- Query name: Non Kube System Pod With Host Mount
- Platform: Terraform
- Severity: Medium
- Category: Access Control
- URL: Github
Description¶
A non kube-system workload should not have hostPath mounted
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Postitive test num. 1 - tf file
resource "kubernetes_pod" "test" {
metadata {
name = "terraform-example"
namespace = "kube"
}
spec {
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"
}
}
volume {
host_path {
path = "/var/log"
}
}
dns_policy = "None"
}
}
resource "kubernetes_pod" "test2" {
metadata {
name = "terraform-example2"
}
spec {
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"
}
}
volume {
host_path {
path = "/var/log"
}
}
dns_policy = "None"
}
}
resource "kubernetes_persistent_volume" "test3" {
metadata {
name = "terraform-example3"
namespace = "kube"
}
spec {
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"
}
}
volume {
host_path {
path = "/var/log"
}
}
dns_policy = "None"
}
}
resource "kubernetes_persistent_volume" "test4" {
metadata {
name = "terraform-example4"
}
spec {
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"
}
}
volume {
host_path {
path = "/var/log"
}
}
dns_policy = "None"
}
}
Code samples without security vulnerabilities¶
Negative test num. 1 - tf file
resource "kubernetes_pod" "test" {
metadata {
name = "terraform-example"
}
spec {
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_persistent_volume" "test" {
metadata {
name = "terraform-example"
}
spec {
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"
}
}