Advisories

PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization

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severity
high
date
Affecting
  • PocketMine-MP >= 0, < 4.2.9

CWE
  • CWE-20 Improper Input Validation
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service.

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