Exploit Exercises — Protostar — Stack Levels
Exploit Exercises’ Protostar wargame includes a number of carefully prepared exercises to help hone your basic exploitation skills. In this walkthrough I will go over the stack exploitation portion of the wargame.
Spoiler Warning: I would highly recommend you to go over the exercises yourself and come back to this article to find possibly different solutions or in case you get stuck.
Stack 0
The first exercise challenges you to modify the value of a local variable: