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Vulnerable Python server

Description

This project aims to be educational about Python deseralization and common vulnerabilities. Will provide different rest URL paths for each of the security issues.

Try to gather contents from /root/flag exploiting the input forms.

Usage

From Docker

Create docker container and browse http://localhost:5000

docker run --name vuln_python_server --rm -ti -p 5000:5000 egonzalez90/vuln_python_server:latest

From flask

Run local flask server at http://localhost:5000

export FLASK_APP=server.py ; export FLASK_ENV=development ; flask run

Example exploits

Sample code exploits are located at exploits/ directory. Read carefully the code to make sure you understand what it does and change what is needed.

Vulnerabilities done

  • Pickle
  • YAML injection
  • XML Xternal Entity injection
  • eval RCE
  • subprocess.call RCE

Vulnerabilities missing TBD

  • exec RCE
  • Assert bypass
  • Common input checks bypass

TODO

  • Add more vulnerabilites
  • Add documentation
  • Add example code fixes