SB2023010613 - Multiple vulnerabilities in PocketMine-MP

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: N/A)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

2) Inefficient Algorithmic Complexity (CVE-ID: N/A)

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to inefficient algorithmic complexity in ModalFormResponsePacket processing when handling very large JSON modal form responses. A remote attacker can send large numbers of specially crafted packets to cause a denial of service.

Remediation

Install update from vendor's website.

References

• https://github.com/pmmp/PocketMine-MP/releases/tag/4.12.5
• https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-7m9r-rq9j-wmmh
• https://github.com/advisories/GHSA-7m9r-rq9j-wmmh