BitK

Speaker

Talk Title :

Template Injection On Hardened Targets


Abstract :

During his Black Hat 2015 presentation, James Kettle explained how template injections could lead to code execution. At the end of the talk, he recommended running application in containers with limited privileges and read-only file system. Six years later, containers are now the standard of web-app deployment and getting code execution inside a well isolated container can be seen as low impact.

In this workshop we will explore new template injection techniques specially crafted for hardened environment.
We will focus on two environments:

  • Python with Flask / Jinja2
  • JavaScript with Express / Vue

We will build our own tooling in Python to solve a series of challenges with increasing difficulty.

Required for the workshop:

  • Experience in Python/JavaScript
  • Basic Docker skill

Bio :

BitK is a French security researcher, bug hunter, member of the French CTF team The Flat Network Society and Tech Ambassador at YesWeHack. He has been doing CTF and bug bounty for over ten years with a specialty in web exploitation. He is also the author of multiple hacking tools like pwnfox, xsstools, pwnmachine and more.

Want to connect with BitK?