Kubelet Hostname Override Is Set

Query id: bf36b900-b5ef-4828-adb7-70eb543b7cfb
Query name: Kubelet Hostname Override Is Set
Platform: Kubernetes
Severity: Low
Category: Insecure Configurations
CWE: 269
URL: Github

Description¶

Hostnames should not be overrided
Documentation

Code samples¶

Code samples with security vulnerabilities¶

Positive test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: foo/bar
      command: ["kubelet"]
      args: ["--hostname-override=host"]
  restartPolicy: OnFailure

Positive test num. 2 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: foo/bar
      command: ["kubelet","--hostname-override=host"]
      args: []
  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: foo/bar
      command: ["kubelet"]
      args: []
  restartPolicy: OnFailure