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Nginx, even though young by World Wide Web years, is as popular as Apache today. In this series of challenges, we hope to explore how attackers can exploit webapps running on Nginx arising due to server misconfigurations and/or application vulnerabilities. Take a look at the scenario below:
The web portal only allows the user to upload files with restricted extensions i.e. jpg, png etc. But a misconfiguration in PHP configuration file (php.ini) allows PHP code execution for uploaded files.
Objective: Your objective is to upload a web shell, execute arbitrary commands on the server and retrieve the flag!
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.
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