Note: This writeup covers the challenges I created for GCDXN7 CTF. All solutions are provided for educational purposes to help players learn and improve their skills. Introduction As a challenge...

Note: This writeup documents my personal experience solving challenges during DownUnderCTF 6. All content is for educational purposes only. Introduction DownUnderCTF 6 was an engaging and well-o...

Introduction File descriptor leaks via /dev/fd represent a fascinating class of vulnerabilities in Linux systems. Today we’ll explore how improperly handled file descriptors can lead to informatio...