pmmp PocketMine-MP up to 4.23.0/5.3.0 LoginPacket JSON Parser resource consumption

Summaryinfo

A vulnerability, which was classified as problematic, was found in pmmp PocketMine-MP up to 4.23.0/5.3.0. This impacts an unknown function of the component LoginPacket JSON Parser. The manipulation results in resource consumption. This vulnerability was named CVE-2023-54390. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in pmmp PocketMine-MP up to 4.23.0/5.3.0. Affected is some unknown functionality of the component LoginPacket JSON Parser. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

PocketMine-MP versions before 5.3.1 and 4.23.1 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper null value handling in arrays. Attackers can send malformed JSON with unexpected null elements in LoginPacket to crash the server.

The advisory is available at github.com. This vulnerability is traded as CVE-2023-54390 since 09/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 4.23.1 or 5.3.1 eliminates this vulnerability.

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Productinfo

Vendor

• pmmp

Name

• PocketMine-MP

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23.0
• 5.0
• 5.1
• 5.2
• 5.3.0

Website

• Product: https://github.com/pmmp/PocketMine-MP/

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