Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-51017— PocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin Data

Quick assessment

Affected
pmmp PocketMine-MP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PocketMine-MP 在 3.26.5 之前和 4.0.5 之前的版本中，未对玩家提交的皮肤数据字段进行长度验证，导致无上限的值可能超过 32767 字节的 TAG_String 限制。攻击者可以提交过大的皮肤数据字段（如 skinID 或 geometryName），从而在 NBT 数据序列化过程中触发异常，导致服务器崩溃。

CVSS 7.5 · High

Possible ATT&CK Techniques 2 AI

T1480 · Execution Guardrails T1076

Affected Version Matrix 1

VendorProduct Version RangeStatus
pmmp PocketMine-MP any unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-51017

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
PocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin Data
Source: CVE Program / CVE List V5
Vulnerability Description
PocketMine-MP versions before 3.26.5 and 4.0.5 fail to validate the length of skin data fields submitted by players, allowing uncapped values to exceed the 32767 byte TAG_String limit. Attackers can submit oversized skin data fields like skinID or geometryName to trigger exceptions during NBT data serialization, causing server crashes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
pmmp PocketMine-MP - -

II. Public POCs for CVE-2022-51017

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-51017

请登录查看更多情报信息。

Patches & Fixes for CVE-2022-51017 (2)

Vendor Advisories for CVE-2022-51017 (2)

Same Patch Batch · pmmp · 2026-09-07 · 9 CVEs total

CVE-2022-51013 6.5 MEDIUM PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata
CVE-2022-51010 6.5 MEDIUM PocketMine-MP before 4.4.2 Server Crash via Item ID
CVE-2022-51014 6.5 MEDIUM PocketMine-MP before 4.0.7 Denial of Service via JSON Decoding
CVE-2022-51012 6.5 MEDIUM PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization
CVE-2022-51018 6.5 MEDIUM PocketMine-MP before 3.26.5 Input Validation via Book Pages
CVE-2022-51015 6.5 MEDIUM PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket
CVE-2022-51016 6.1 MEDIUM PocketMine-MP before 4.0.0 Authentication Bypass via Login Replay
CVE-2022-51011 4.3 MEDIUM PocketMine-MP before 4.2.10 Denial of Service via Chat Messages

IV. Related Vulnerabilities

Same product: PocketMine-MP
Same vendor: pmmp
Same weakness: CWE-20

V. Comments for CVE-2022-51017

No comments yet

Leave a comment