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Race Conditions Challenge

Knock knock! Race condition. Who's there?

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180 min

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To access material, start machines and answer questions login.

Task 1The race is on!

In the home directories of Walk, Run and Sprint you will find a vulnerable SUID binary, the C source code and a flag. Your task is to exploit the binary to read the contents of the user's flag.

The challenges are independent of each other and can be done in whatever order you want. It is, however, recommended to start with Walk.

Please allow 3-5 minutes for the VM to fully start. Connect to the attached VM via SSH with the following credentials:

Username: race

Password: car

Answer the questions below
What is the flag for the /home/walk/flag binary?

What is the flag for the /home/run/flag binary?

What is the flag for the /home/sprint/flag binary?

Room Type

Free Room. Anyone can deploy virtual machines in the room (without being subscribed)!

Users in Room

2,526

Created

792 days ago

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