GHSA-xc7j-wj36-qjfr: Pocketmine/pocketmine mp PocketMine-MP BookEditPacket Crash When Inventory Vulnerability

HIGH
Share
CVSS 7.5
Published
Advisory Summary

GHSA-xc7j-wj36-qjfr is a HIGH (CVSS 7.5) pocketmine-mp bookeditpacket crash when inventory vulnerability (General Security Weakness) affecting Pocketmine/pocketmine mp libraries in the Packagist ecosystem. The issue involves pocketmine-mp bookeditpacket crash when inventory slot in the packet is invalid. Remediation is available by upgrading affected packages to version 5.11.2.

GHSA-xc7j-wj36-qjfr at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-xc7j-wj36-qjfr
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification General Security Weakness
Affected Product Pocketmine/pocketmine mp
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix GHSA-xc7j-wj36-qjfr

To remediate this vulnerability, upgrade all affected Pocketmine/pocketmine mp dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

pocketmine/pocketmine-mp fixed: 5.11.2 
Upgrade pocketmine/pocketmine-mp to 5.11.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for pocketmine/pocketmine-mp

How to Check if You Are Affected

To determine whether your application is affected by GHSA-xc7j-wj36-qjfr, inspect your project dependencies for Pocketmine/pocketmine mp:

inspect dependencies for pocketmine/pocketmine-mp

Analyze the terminal output to locate any version of Pocketmine/pocketmine mp in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.11.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Pocketmine/pocketmine mp, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Summary If a client sends a BookEditPacket with InventorySlot greater than 35, the server will crash due to an unhandled exception thrown by `BaseInventory->getItem()`. ### Details Crashes at https://github.com/pmmp/PocketMine-MP/blob/b744e09352a714d89220719ab6948a010ac636fc/src/network/mcpe/handler/InGamePacketHandler.php#L873 ### PoC Using Gophertunnel, use `serverConn.WritePacket(&packet.BookEdit{InventorySlot: 36})` ### Impact Server crash, all servers ### Patched versions This issue was fixed by 47f011966092f275cc1b11f8de635e89fd9651a7, and the fix was released in 5.11.2.

GHSA-xc7j-wj36-qjfr Affected Pocketmine/pocketmine mp Versions

1 component(s)
Fixed Versions:
5.11.2
Product / Package Ecosystem Affected Versions Fixed Version
pocketmine/pocketmine-mp
 Packagist
< 5.11.2
5.11.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-xc7j-wj36-qjfr
Security Fix Commit FIX COMMIT
https://github.com/pmmp/PocketMine-MP/commit/47f011966092f275cc1b11f8de635e89fd9651a7
Pocketmine/pocketmine mp Source Repository REPOSITORY
https://github.com/pmmp/PocketMine-MP
Pocketmine/pocketmine mp Source Repository REPOSITORY
https://github.com/pmmp/PocketMine-MP/blob/b744e09352a714d89220719ab6948a010ac636fc/src/network/mcpe/handler/InGamePacketHandler.php#L873

Frequently Asked Questions

What is GHSA-xc7j-wj36-qjfr?
GHSA-xc7j-wj36-qjfr is a security vulnerability in Pocketmine/pocketmine mp involving PocketMine-MP BookEditPacket crash when inventory slot in the packet is invalid under General Security Weakness.
Which Pocketmine/pocketmine mp versions are affected?
Affected versions include releases prior to 5.11.2 across affected packages: pocketmine/pocketmine-mp.
What version fixes GHSA-xc7j-wj36-qjfr?
Upgrading to 5.11.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is pocketmine/pocketmine-mp affected?
Yes, pocketmine/pocketmine-mp is affected in releases prior to 5.11.2. Upgrade your dependency to 5.11.2 or later.
What is the CVSS score of GHSA-xc7j-wj36-qjfr?
GHSA-xc7j-wj36-qjfr has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with GHSA-xc7j-wj36-qjfr?
GHSA-xc7j-wj36-qjfr is classified under General Security Weakness.
How can I check Packagist dependencies for GHSA-xc7j-wj36-qjfr?
Run the dependency tree command: 'inspect dependencies for pocketmine/pocketmine-mp'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xc7j-wj36-qjfr",
  "modified" : "2024-03-06T17:01:27Z",
  "published" : "2024-03-06T17:01:27Z",
  "aliases" : [ ],
  "summary" : "PocketMine-MP BookEditPacket crash when inventory slot in the packet is invalid",
  "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->getItem()`.\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(&packet.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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "pocketmine/pocketmine-mp"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.11.2"
      } ]
    } ]
  } ],
  "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"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-03-06T17:01:27Z",
    "nvd_published_at" : null
  }
}