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Securing an API is a critical task. A poor API design may lead to system compromise. Its impact becomes more critical when the attacker gets control over the underlying system.
A group of university students have created a Simple Cat Command Wrapper WebApp that was deployed on their university server. The WebApp accepts a filename from the user and provides the contents of that file (if it exists).
The issue is that the developers had not sanitized user input and passed the user-supplied commands directly to the system() function.
Objective: Leverage the vulnerability to get the Golden Ticket!
- This lab is dedicated to you! No other users are on this network :)
- Once you start the lab, you will have access to a Kali GUI instance.
- Your Kali instance has an interface with IP address 192.X.Y.2. Run "ifconfig" to know the values of X and Y.
- The Cat Wrapper WebApp is running on port 5000 on the target machine having IP address 192.X.Y.3.
- The Golden Ticket is stored in a file named as "This_Is_The_Golden_Ticket_XXXXXXXX".
- Do not attack the gateway located at IP address 192.X.Y.1
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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