Secure Port Set To Zero

Query id: 3d24b204-b73d-42cb-b0bf-1a5438c5f71e
Query name: Secure Port Set To Zero
Platform: Kubernetes
Severity: High
Category: Networking and Firewall
URL: Github

Description¶

When using kube-apiserver command, the --secure-port flag should not be 0
Documentation

Code samples¶

Code samples with security vulnerabilities¶

Postitive test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver"]
      args: ["--secure-port=0"]
  restartPolicy: OnFailure

Code samples without security vulnerabilities¶

Negative test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver"]
      args: []
  restartPolicy: OnFailure

Negative test num. 2 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver","--secure-port=6443"]
      args: []
  restartPolicy: OnFailure