CVE-2026-33985 FreeRDP 堆内存信息泄露漏洞

# PoC Concept for CVE-2026-33985 # This script demonstrates the concept of triggering the information leak. # Note: Actual exploitation requires a vulnerable FreeRDP client connecting to a malicious server. import socket import struct def setup_malicious_rdp_server(): """ Simulates a scenario where a malicious RDP server sends crafted data to trigger the heap memory read in a vulnerable FreeRDP client (<3.24.2). """ print("[*] Starting PoC for CVE-2026-33985 (FreeRDP Info Leak)") print("[*] This PoC simulates a malicious server interaction.") # In a real scenario, specific RDP packets (Graphics Update) would be crafted # to manipulate the heap layout and force the client to read out-of-bounds. payload = b"\x00" * 100 # Placeholder for crafted pixel data print(f"[+] Crafted payload length: {len(payload)}") print("[+] If connected with vulnerable FreeRDP, adjacent heap memory might be rendered.") # Hypothetical connection logic # s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # s.bind(('0.0.0.0', 3389)) # s.listen(1) # ... handle RDP handshake ... print("[*] PoC complete. Verify memory dumps or screen artifacts.") if __name__ == "__main__": setup_malicious_rdp_server()