Bandit Level 19 Level 20

Introduction

Greetings, Welcome back to the OverTheWire Bandit challenges. In this level, we are presented with a custom binary that has to be exploited to get secret information.

Previous Flag

In the previous challenge, we successfully acquired the following flag:

Flag:

awhqfNnAbc1naukrpqDYcF95h7HoMTrC

Exploring bandit20-do

Our next task involves the execution of the ./bandit20-do command. Let's initiate it and see what it does:

./bandit20-do

It seems like this binary executes whatever bash command we provide as the user we want to …

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