SB2022031827 - Improper input validation in PocketMine-MP
Published: March 18, 2022 Updated: April 8, 2026
Security Bulletin ID
SB2022031827
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in TypeConverter when processing tool or armour item NBT received from the client. A remote attacker can send a tool or armour item with a negative or overly large damage or metadata value to cause a denial of service.
An exception is thrown when the invalid metadata value reaches Durable->setDamage().
Remediation
Install update from vendor's website.