Pdfy Htb Writeup Upd ^hot^

PDFY: A Comprehensive Writeup on the Hack The Box (HTB) Machine

→ Unsafe concatenation.

Result: Obtain a service file containing credentials or an internal URL exposing an admin panel. pdfy htb writeup upd

• Discovery: The "Convert URL" functionality is vulnerable to Server-Side Request Forgery (SSRF).
• The Attack: While wkhtmltopdf typically restricts access to local files (like file:///etc/passwd), it is often possible to force it to render internal web pages.
• Internal Enumeration: By using the SSRF to scan internal ports (e.g., http://127.0.0.1:PORT), you typically discover an internal administrative dashboard or API endpoint that is firewalled off from the outside. Let's say this internal service runs on port 5000 or 8080.
• Exploitation: You can feed the PDF converter a URL like http://127.0.0.1:5000/admin or an internal API endpoint.