Sekai CTF 2024 Archives

09 Sep

A look into the “calcql” challenge from SekaiCTF 2024

in CodeQL, CTF Writeup, Sekai CTF 2024

TL;DR: The challenge goal is to provide CodeQL script finds specific function that returns 42 and would be run over some auto-generated random python code. The solution should be CodeQL that statically analyze auto-generated random python code and evaluate only the function that returns 42 Our Solution combines...

03 Sep

“Web/Funny LFR” Race Condition – Sekai CTF 2024 Challenge Write Up | By Shira Toor & Barak Sternberg

by Shira Toor

in CTF Writeup, Sekai CTF 2024, Web

Comments

Challenge Overview https://2024.ctf.sekai.team/challenges/#Funny-lfr-14 The challenge provides a dockerfile and a python application - both required to create the web server. The docker file is short, and contains the following code: We can immediately understand by looking at the dockerfile code that the flag is kept as a local environment...