Exploit Exercises — Protostar — Format String 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 format string 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.

Format 0

The first exercise in the format string series starts with a basic buffer overflow…