Containers missing drop capabilities

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Metadata

Id: 268ca686-7fb7-4ae9-b129-955a2a89064e

Cloud Provider: k8s

Framework: Kubernetes

Severity: Low

Category: Best Practices

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Description

Containers should configure drop capabilities in the security context.

Compliant Code Examples

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: payment
        image: nginx
        securityContext:
          capabilities:
            drop:
              - all
            add:
              - NET_BIND_SERVICE

Non-Compliant Code Examples

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: payment
        image: nginx
        securityContext:
          capabilities:
            add:
              - NET_BIND_SERVICE
      - name: payment2
        image: nginx
        securityContext:
          allowPrivilegeEscalation: false
      - name: payment3
        image: nginx