{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "pocketmine/pocketmine-mp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.11.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-06T17:01:27Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Summary\nIf a client sends a BookEditPacket with InventorySlot greater than 35, the server will crash due to an unhandled exception thrown by `BaseInventory-\u003egetItem()`.\n\n### Details\nCrashes at https://github.com/pmmp/PocketMine-MP/blob/b744e09352a714d89220719ab6948a010ac636fc/src/network/mcpe/handler/InGamePacketHandler.php#L873\n\n### PoC\nUsing Gophertunnel, use `serverConn.WritePacket(\u0026packet.BookEdit{InventorySlot: 36})`\n\n### Impact\nServer crash, all servers\n\n### Patched versions\nThis issue was fixed by 47f011966092f275cc1b11f8de635e89fd9651a7, and the fix was released in 5.11.2.",
  "id": "GHSA-xc7j-wj36-qjfr",
  "modified": "2024-03-06T17:01:27Z",
  "published": "2024-03-06T17:01:27Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-xc7j-wj36-qjfr"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pmmp/PocketMine-MP/commit/47f011966092f275cc1b11f8de635e89fd9651a7"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pmmp/PocketMine-MP"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pmmp/PocketMine-MP/blob/b744e09352a714d89220719ab6948a010ac636fc/src/network/mcpe/handler/InGamePacketHandler.php#L873"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PocketMine-MP BookEditPacket crash when inventory slot in the packet is invalid"
}