A Blazing fast Security Auditing tool for Kubernetes

A Blazing fast Security Auditing tool for Kubernetes

A Blazing fast Security Auditing tool for Kubernetes. Kubestriker performs numerous in depth checks on kubernetes infra to identify the security misconfigurations and challenges that devops engineers/developers are likely to encounter when using Kubernetes, especially in production and at scale. kubestriker is Platform agnostic and works equally well across more than one platform such as self hosted kubernetes, Amazon EKS, Azure AKS, Google GKE etc.

Basic Overview

Kubestriker performs numerous in depth checks on kubernetes infra to identify the security misconfigurations and challenges that devops engineers/developers are likely to encounter when using Kubernetes, especially in production and at scale.

kubestriker is Platform agnostic and works equally well across more than one platform such as self hosted kubernetes, Amazon EKS, Azure AKS, Google GKE etc.

Table of content

  • How To Install
    • Clone the repo and install
    • Install using pip
    • How to spin up kubestriker container
  • Types of Scans
    • Authenticated scans
    • Unauthenticated scans
      • Identifying an open Insecure port on kubernetes master node
      • Identifying a worker Node with kubelet readwrite and readonly ports open
  • Current Capabilities
  • Future improvements
  • Suggestions
  • Contributors
  • Statistics
  • License
  • Support
  • ind me here!!

How To Install

Clone the repo and install

To install this tool or clone and run this application, you'll need Git, python3 and pip installed on your computer. It is advised you install this tool in virtual environment

From your command line:

# Create python virtual environment
$ python3 -m venv env

# Activate python virtual environment
$ source env/bin/activate

# Clone this repository
$ git clone https://github.com/vchinnipilli/kubestriker.git

# Go into the repository
$ cd kubestriker

# Install dependencies
$ pip install -r requirements.txt

# Incase of prompt toolkit or selectmenu errors
$ pip install prompt-toolkit==1.0.15 
$ pip install -r requirements.txt

# Gearing up Kubestriker
$ python -m kubestriker

# Result will be generated in the current working directory with the name of the target

Install using pip

To install and run this application, you'll need pip installed on your computer. From your command line:

# Create python virtual environment
$ python3 -m venv env

# Activate python virtual environment
$ source env/bin/activate

# Install using pip
$ pip install kubestriker

# Incase of prompt toolkit or selectmenu errors
$ pip install prompt-toolkit==1.0.15 
$ pip install kubestriker

# Gearing up Kubestriker
$ python -m kubestriker

# Result will be generated in the current working directory with the name of the target

How to spin up kubestriker container

Use this link to view the Kubestriker container latest releases

# Spinning up the kubestriker Container
$ docker run -it --rm -v /Users/vasantchinnipilli/.kube/config:/root/.kube/config -v "$(pwd)":/kubestriker --name kubestriker cloudsecguy/kubestriker:v1.0.0

# Replace the user vasantchinnipilli above with your username or absolute path of kube config file
$ docker run -it --rm -v /Users/<yourusername>/.kube/config:/root/.kube/config -v "$(pwd)":/kubestriker --name kubestriker cloudsecguy/kubestriker:v1.0.0

# Gearing up Kubestriker
$ python -m kubestriker

# Result will be generated in the current working directory with the name of the target

Types of Scans

Authenticated scans

Authenticated scan expects the user to have atleast read-only privileges and provide a token during the scan. please use the below provided links to create read-only users

Create read-only user for Amazon eks Create read-only user for Azure aks Create read-only user for Google gke Create a subject using Role based access control

# To grab a token from eks cluster
$ aws eks get-token --cluster-name cluster-name --region ap-southeast-2

# To grab a token from aks cluster
$ az aks get-credentials --regroup myResourceGroup --name myAKSCluster

# To grab a token from gke cluster
$ gcloud container clusters get-credentials CLUSTER_NAME --zone=COMPUTE_ZONE

# To grab a token from service account
$ kubectl -n namespace get secret serviceaccount-token -o jsonpath='{.data.token}'

# To grab a token from a pod directly or via command execution bug
$ cat /run/secrets/kubernetes.io/serviceaccount/token

Unauthenticated scans

Unauthenticated scan will be successful incase of anonymous access is permitted on the target cluster

Identifying an open Insecure port on kubernetes master node

Identifying a worker Node with kubelet readwrite and readonly ports open

Current Capabilities

  • Scans Self Managed and cloud provider managed kubernetes infra
  • Reconnaissance phase checks for various services or open ports
  • Performs automated scans incase of insecure, readwrite or readonly services are enabled
  • Performs both authenticated scans and unauthenticated scans
  • Scans for wide range of IAM Misconfigurations in the cluster
  • Scans for wide range of Misconfigured containers
  • Scans for wide range of Misconfigured Pod Security Policies
  • Scans for wide range of Misconfigured Network policies
  • Scans the privileges of a subject in the cluster
  • Run commands on the containers and streams back the output
  • Provides the endpoints of the misconfigured services
  • Provides possible privilege escalation details
  • Elaborative report with detailed explanation

Future improvements

  • Automated exploitation based on the issues identified
  • api and cicd automation friendly
  • A Decent FrontEnd to make the lives easier

Suggestions

Kubestriker is an opensource and emailware. Meaning, if you liked using this tool or it has helped you in any way or if you have any suggestions/improvements, I'd like you send me an email at [email protected] about anything you'd want to say about this tool. I'd really appreciate it!

Contributors

Statistics

Download Details:

Author: vchinnipilli Live Demo: View The Demo Download Link: Download The Source Code Official Website: https://github.com/vchinnipilli/kubestriker License: Apache License

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