: The /ping endpoint takes an ip parameter (e.g., ?ip=127.0.0.1 ) and executes a system-level ping command without proper sanitization. 2. Command Injection Exploit
The core issue lies in how the API handles the IP address or hostname parameter for its ping function. Instead of strictly validating the input, the backend passes the user-provided string directly into a shell command (e.g., ping [input] Exploitation is achieved through command substitution using backticks ( ) or other shell operators. By providing an input like , an attacker forces the server to: Execute the command first. ultratech api v013 exploit