VulnNodeApp – A Vulnerable Node.Js Application

A vulnerable application made using node.js, express server and ejs template engine. This application is meant for educational purposes only.

Clone this repository

git clone https://github.com/4auvar/VulnNodeApp.git

Application setup:

• Install the latest node.js version with npm.
• Open terminal/command prompt and navigate to the location of downloaded/cloned repository.
• Run command: npm install

DB setup

• Install and configure latest mysql version and start the mysql service/deamon
• Login with root user in mysql and run below sql script:

CREATE USER 'vulnnodeapp'@'localhost' IDENTIFIED BY 'password';
create database vuln_node_app_db;
GRANT ALL PRIVILEGES ON vuln_node_app_db.* TO 'vulnnodeapp'@'localhost';
USE vuln_node_app_db;
create table users (id int AUTO_INCREMENT PRIMARY KEY, fullname varchar(255), username varchar(255),password varchar(255), email varchar(255), phone varchar(255), profilepic varchar(255));
insert into users(fullname,username,password,email,phone) values("test1","test1","test1","(email protected)","976543210");
insert into users(fullname,username,password,email,phone) values("test2","test2","test2","(email protected)","9887987541");
insert into users(fullname,username,password,email,phone) values("test3","test3","test3","(email protected)","9876987611");
insert into users(fullname,username,password,email,phone) values("test4","test4","test4","(email protected)","9123459876");
insert into users(fullname,username,password,email,phone) values("test5","test5","test   5","(email protected)","7893451230");

Set basic environment variable

• User needs to set the below environment variable.
  • DATABASE_HOST (E.g: localhost, 127.0.0.1, etc…)
  • DATABASE_NAME (E.g: vuln_node_app_db or DB name you change in above DB script)
  • DATABASE_USER (E.g: vulnnodeapp or user name you change in above DB script)
  • DATABASE_PASS (E.g: password or password you change in above DB script)

• Open the command prompt/terminal and navigate to the location of your repository
• Run command: npm start
• Access the application at http://localhost:3000

• SQL Injection
• Cross Site Scripting (XSS)
• Insecure Direct Object Reference (IDOR)
• Command Injection
• Arbitrary File Retrieval
• Regular Expression Injection
• External XML Entity Injection (XXE)
• Node js Deserialization
• Security Misconfiguration
• Insecure Session Management

• Will add new vulnerabilities such as CORS, Template Injection, etc…
• Improve application documentation

• In case of bugs in the application, feel free to create an issues on github.

• Feel free to create a pull request for any contribution.

You can reach me out at @4auvar