dast-operator

command module
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Published: Jan 25, 2023 License: Apache-2.0 Imports: 15 Imported by: 0

README

DAST operator

Dynamic application security testing (DAST) is a process of testing an application or software in an operating state.

This operator leverages OWASP ZAP to make automated security testing for web applications and APIs based on OpenAPI definitions.

The operator current features:
  • Deploy OWASP ZAP proxy defined in custom resource
  • Scan external URL defined in custom resource
  • Scan internal services based on its annotations
  • API Security testing based on OpenAPI definition
  • Before deploying ingress, check backend services whether scanned and scan results are below defined thresholds
On the DAST operator roadmap:
  • In webhook, check the scanner job is running, completed or not exist
  • Improve service status check
  • Handle multiple service ports
  • Handle different service protocols
  • Use HTTPS instead of HTTP connecting to ZAP
  • Generate randomly ZAP API key if not defined
  • API testing with JMeter and ZAP
  • Parameterized security payload with fuzz
  • Automated SQLi testing using SQLmap

Structure of the DAST operator:

DAST operator running two reconcilers and one validating admission webhook

DAST OPERATOR

Reconcilers
  • DAST reconciler
  • Service reconciler
Webhook
  • Validating webhook for ingress

Current limitations:

Using the webhook feature, deploying an ingress is only successful when the backend service has been already scanned. If we deploy something with Helm that contains a service and an ingress definition as well, the ingress deployment will fail as to the scan progress of the backend service is not finished yet.

Deploy the cert-manager

First of all we need to deploy cert-manager

kubectl create namespace cert-manager
helm repo add jetstack https://charts.jetstack.io
helm repo update
kubectl apply --validate=false -f https://github.com/jetstack/cert-manager/releases/download/v1.0.4/cert-manager.crds.yaml
helm install cert-manager jetstack/cert-manager --namespace cert-manager --version v1.0.4

You can read more about the installation of the cert-manager in the official documentation

Deploy the dast-operator via helm

Or you can install via helm:

helm repo add banzaicloud https://kubernetes-charts.banzaicloud.com/
helm install dast-operator banzaicloud/dast-operator

Build images and deploy the operator manually

git clone https://github.com/banzaicloud/dast-operator.git
cd dast-operator
make docker-build
make docker-analyzer

If you're using Kind cluster for testing, you will have to load images to it.

kind load docker-image banzaicloud/dast-operator:latest
kind load docker-image banzaicloud/dast-analyzer:latest

Clone dast-operator

git clone https://github.com/banzaicloud/dast-operator.git
cd dast-operator

Deploy dast-operator

make deploy

Examples

Deploy OWASP ZAP

Deploy example CR

kubectl create ns zaproxy
kubectl apply -f https://raw.githubusercontent.com/banzaicloud/dast-operator/master/config/samples/security_v1alpha1_dast.yaml -n zaproxy

Content of Dast custom resource:

apiVersion: security.banzaicloud.io/v1alpha1
kind: Dast
metadata:
  name: dast-sample
spec:
  zaproxy:
    name: dast-test
    apikey: abcd1234
Deploy the application and initiate active scan
kubectl create ns test
kubectl apply -f https://raw.githubusercontent.com/banzaicloud/dast-operator/master/config/samples/test_service.yaml -n test

Content of test_secvice.yaml:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: test-deployment
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
      secscan: dast
  template:
    metadata:
      labels:
        app: nginx
        secscan: dast
    spec:
      containers:
      - name: nginx
        image: nginx:1.16.0-alpine
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: test-service
  annotations:
    dast.security.banzaicloud.io/zaproxy: "dast-test"
    dast.security.banzaicloud.io/zaproxy-namespace: "zaproxy"
spec:
  selector:
    app: nginx
    secscan: dast
  ports:
  - port: 80
    targetPort: 80
Test the validating webhook

Deploy ingress with previously defined test-service backend.

kubectl apply -f https://raw.githubusercontent.com/banzaicloud/dast-operator/master/config/samples/test_ingress.yaml -n test

Example ingress definition:

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: test-ingress
  annotations:
    dast.security.banzaicloud.io/medium: "2"
    dast.security.banzaicloud.io/low: "5"
    dast.security.banzaicloud.io/informational: "10"
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
  - http:
      paths:
      - path: /
        backend:
          serviceName: test-service
          servicePort: 80
Scan external URL
kubectl create ns external
kubectl apply -f https://raw.githubusercontent.com/banzaicloud/dast-operator/master/config/samples/security_v1alpha1_dast_external.yaml -n external

Content of DAST CR

apiVersion: security.banzaicloud.io/v1alpha1
kind: Dast
metadata:
  name: dast-sample-external
spec:
  zaproxy:
    name: dast-test-external
    apikey: abcd1234
  analyzer:
    image: banzaicloud/dast-analyzer:latest
    name: external-test
    target: http://example.com
Define OpenAPI definition as annotation in a service
  apiVersion: v1
  kind: Service
  metadata:
    name: test-api-service
    annotations:
      dast.security.banzaicloud.io/zaproxy: "dast-test"
      dast.security.banzaicloud.io/zaproxy-namespace: "zaproxy"
      dast.security.banzaicloud.io/apiscan: "true"
      dast.security.banzaicloud.io/openapi-url: "https://raw.githubusercontent.com/sagikazarmark/modern-go-application/master/api/openapi/todo/openapi.yaml"
  spec:
    selector:
      app: mga
      secscan: dast
    ports:
    - port: 8000
      targetPort: 8000

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis
api
v1alpha1
Package v1alpha1 contains API Schema definitions for the security v1alpha1 API group +kubebuilder:object:generate=true +groupName=security.banzaicloud.io
Package v1alpha1 contains API Schema definitions for the security v1alpha1 API group +kubebuilder:object:generate=true +groupName=security.banzaicloud.io
cmd
pkg

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