[https://www.soeasy.re/ctf-interiut-2021-pwn/#Basique_100_points](https://www.soeasy.re/ctf-interiut-2021-pwn/#Basique_100_points)

Original writeup (https://www.soeasy.re/ctf-interiut-2021-pwn/#Basique_100_points).