Analyze the provided source code (often distributed in parts like .part4.rar ) to find a vulnerability that allows for Flag retrieval. 🔍 Investigation 1. File Context
You might see a check like if (req.body.user === 'admin') , which can be bypassed if user is passed as an array ['guest', 'admin'] . 🛠️ Exploitation Steps Step 1: Analyze the Authentication BKPF23WEB18.part4.rar
The application uses a specific middleware to sanitize inputs, but it fails to account for nested objects or array-based parameter pollution. Analyze the provided source code (often distributed in
Once you have bypassed the local checks discovered in the part4 files: Intercept the request using . Step 2: Path Traversal or SSRF Multi-part RAR
If the key is "hardcoded" or "leaked," you can forge an admin session. Step 2: Path Traversal or SSRF
Multi-part RAR files usually contain the source code of the web application. Part 4 typically includes:
The part4 source reveals that the application checks for a specific or a Session Cookie .