📞WebSocket Pentest

Learn, Identify and Mitigate the vulnerable WebSocket connection on world wide web.

Aim of Using WebSocket Protocol

WebSocket is a communication protocol that provides full-duplex communication channels over a single TCP connection.

Use Cases for WebSockets

1. Chat Applications: Instant messaging platforms where real-time communication is crucial.

2. Live Streaming: Video and audio streaming services that require continuous data flow.

3. Online Gaming: Multiplayer games where players interact in real-time.

4. Financial Market Data: Platforms providing live updates on stock prices and trading activities.

5. Collaborative Editing: Tools like Google Docs that allow multiple users to edit documents simultaneously.

6. IoT Devices: Real-time monitoring and control of Internet of Things devices.

Basics

1. Protocol upgrade mechanism

2. Two categories of HTTP headers

3. WebSocket Explain

Vulnerabilities and Flaws

1. WebSocket Handshake

2. Input Validation

3. WebSocket Hijacking

Security Consideration

1. Encryption: WebSockets support encrypted connections through the wss:// protocol, which is the WebSocket equivalent of HTTPS.

2. Authentication: Implementing robust authentication mechanisms to ensure that only authorized clients can establish connections.

3. Data Validation: Properly validating and sanitizing data to prevent injection attacks.

4. Rate Limiting: Implementing rate limiting to prevent abuse through excessive connection attempts or message sending.

5. Fixed URL: Hard code the URL of the WebSockets endpoint, and certainly don't incorporate user-controllable data into this URL.

6. CSRF: Protect the WebSocket handshake message against CSRF, to avoid cross-site WebSockets hijacking vulnerabilities.