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The target docker server is running multiple containers. Some of the docker images used for these containers are stored on the unprotected private docker registry present on the same network. A watchtower instance deployed on the target server ensures that the latest image present in the private repository is used for the containers. A flag is kept in /root directory of the host machine.
Objective: Leverage this arrangement to retrieve the flag!
- This lab is dedicated to you! No other users are on this network :)
- Once you start the lab, you will have access to a Ubuntu docker host terminal instance.
- The target docker server can be accessible on "targetserver" domain.
- The private registry can be accessed on "registry" domain on port 5000.
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
Users violating the above will be either temporarily or permanently banned from the website.
If you are unsure about an activity, then please contact support to confirm that it is allowed on our website.
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