Curl is a command line tool and library for transferring data using URL. Curl supports almost all protocols like HTTP, HTTPs, FTP, FTPs, IMAP, IMAPS etc. CURL comes under free and open source software. The latest stable version of curl is 7.60.0. This was released on 16th May 2018.
There are many servers having Unfiltered curl file support. As curl supports any protocol, there are chances for many attacks like:-
file inclusion Command Injection etc.
The below code is a form.
The form can be submitted through curl as follows.
Using this format, an attacker can use curl to interact with server.
Using this vulnerability, an attacker can:-
Beagle recommends the following:-