How To Hack APIs with Python

The video demonstrates how to exploit a directory listing application called Zer by leveraging an arbitrary file upload vulnerability to achieve remote code execution 0:00.

Key Takeaways:
• Zer is a directory listing application that exposes configuration files and potentially vulnerable to attacks 0:15
• The presenter identifies a CVE vulnerability (version 3.2.0) allowing arbitrary file upload leading to remote code execution via SSH keys 2:48
• After creating a user account on the target system, the presenter creates an SSH directory using directory traversal 5:40
• A Python script is developed to automate the exploitation by uploading an SSH authorized key file 12:52
• The exploit successfully provides shell access, allowing retrieval of the capture the flag challenge file 19:56

This practical demonstration shows how real-world vulnerabilities can be identified and exploited using a systematic approach.

Sources:

• 0:00 Introduction to the Zer directory listing application
• 2:48 Discovery of CVE vulnerability in Zer version 3.2.0
• 5:40 User account creation and authentication process
• 12:52 Python script development for automating the exploit
• 19:56 Successful exploitation and flag retrieval