Writeups, Hacking Guides & Cybersecurity Insights

  • Pentesting Odoo Applications with OdooMap

    OdooMap Logo Odoo is a widely-used ERP platform with a complex backend. It’s a juicy target but also tricky due to its layered system, detailed user access controls, and extensive API usage. To pentest Odoo effectively, you need to combine automation with manual verification.

  • Ubuntu’s Unattended-Upgrades in Action

    Securing Ubuntu 24.04.2 Against CVE-2025-32463 I just performed a fresh offline install of Ubuntu Desktop 24.04.2, deliberately preventing any automatic updates during setup. Shortly after logging in, I discovered that my VM was vulnerable to CVE-2025-32463, a local privilege escalation flaw in sudo.

  • Defensy SCC CTF Web Writeups

    Defensy Logo I recently got 2nd place in Defensy’s Scooby Cyber Chase CTF with my team CrémeTartinéFabuleuse, and we managed to solve all the CTF’s challenges. There was plenty of web though, so I picked two challenges for this writeup; The first one is inspired by CVE-2024-56145 affecting Craft CMS, and the other one is essentially an IDOR.

  • CyberTEK 2025 Web Writeups

    Cybertek Logo These are the writeups for 3 of the web challenges presented in CyberTEK 2025. The first one is a chain of vulnerabilities; SSRF, a library “flaw”, and a Race Condition. The second challenge requires a considerably tweaked SQLi payload, and the 3rd one is a bit of a classic. Let’s get started!

  • SparkCTF 2025 Web Writeups

    Spark Engineers Logo These are the writeups for 3 of the web challenges presented in SparkCTF 2025. The first one is an SSTI vulnerability in ASP.NET with Razor, and the second one is about using Blind SQL Injection to bruteforce some kind of token, and requires more logical thinking. The third one is a surprise! Let’s get into it.

  • How ChatGPT Helped Me First Blood a Hard Web Challenge! (Securinets Quals CTF 2024)

    Securinets Logo I took part in Securinets Quals CTF this weekend and my team Alashwas settled 12th out of 336 teams. I got first blood on the one and only web challenge in this CTF.