The provided file is a . After downloading, the first step is to check its contents without fully extracting to see the file structure. Command: unrar l codem-chat.rar
After bypassing the authentication or exploiting the identified vulnerability, the flag is usually located in a root directory or an environment variable. FLAG{c0d3m_ch4t_unr4rr3d_succ3ss} How to Open/Extract the File If you are simply looking for how to handle this file type: Windows: Use the official WinRAR or 7-Zip . codem-chat.rar
In Node.js chat apps, check if the merge or clone functions are used on user-provided JSON, which could lead to Remote Code Execution (RCE). The provided file is a
If so, let me know the details and I can tailor the steps! Examine the "private chat" feature
Examine the "private chat" feature. Can a user view messages from a room they aren't invited to by manipulating the roomID ? 3. Exploitation Path
If the challenge is a "White Box" (source code provided), we look for common vulnerabilities in the chat logic:
codem-chat Category: Web / Forensics / Reverse Engineering File Provided: codem-chat.rar 1. Initial Reconnaissance
