SB2022011334 - Improper input validation in PocketMine-MP
Published: January 13, 2022 Updated: April 8, 2026
Security Bulletin ID
SB2022011334
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 PlayerActionPacket and UseItemTransactionData handling when processing packets with invalid facing values. A remote attacker can send a specially crafted packet to cause a denial of service.
The issue is triggered by invalid facing values, including negative values, in START_BREAK or CRACK_BLOCK actions or in UseItemTransactionData typically carried in InventoryTransactionPacket.
Remediation
Install update from vendor's website.