ngrok tcp 127.0.0.1:8000
Upon further examination, we find that the pdfy-converter service runs as the root user and uses a configuration file located at /etc/pdfy-converter/config.json . We also notice that the configuration file has weak permissions, allowing the pdfy user to modify its contents. pdfy htb writeup upd
: If the application blocks localhost or 127.0.0.1 , try: Decimal Encoding : http://2130706433 Shortened URLs : Using a service like bit.ly or tinyurl. ngrok tcp 127
The most common way to solve this is by using a PHP redirect . Create a .php file on your server that uses the header() function to redirect the incoming request to the target local file on the HTB server. Payload Example ( exploit.php ): Use code with caution. Copied to clipboard The most common way to solve this is by using a PHP redirect
"url": "https://example.com"
The core vulnerability is that the server fetches external content without proper validation, leading to .