Pod or Container Without Security Context

• Query id: a97a340a-0063-418e-b3a1-3028941d0995
• Query name: Pod or Container Without Security Context
• Platform: Kubernetes
• Severity: Low
• Category: Insecure Configurations
• URL: Github

Description

A security context defines privilege and access control settings for a Pod or Container
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: frontend
spec:
  securityContext:
    runAsUser: 1000
  containers:
  - name: app
    image: images.my-company.example/app:v4
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"

  - name: log-aggregator
    image: images.my-company.example/log-aggregator:v6
    securityContext:
      allowPrivilegeEscalation: false
    resources:
      requests:
        memory: "64Mi"
        cpu: "250m"
      limits:
        memory: "128Mi"
        cpu: "500m"