Skip to content

DoS in RakNet connection handling (Cloudburst Network)

High
GingerGeek published GHSA-6h3m-c6fv-8hvh Mar 30, 2024

Package

maven org.cloudburstmc.netty:netty-transport-raknet (Maven)

Affected versions

< 1.0.0.CR1-20240330.101522-15

Patched versions

1.0.0.CR1-20240330.101522-15

Description

Impact

This vulnerability impacts publicly accessible software depending on the affected versions of Network and allows an attacker to use Network as an amplification vector for a UDP denial of service attack against a third party or as an attempt to trigger service suspension of the host.

Patches

All consumers of the library should upgrade to at least version 1.0.0.CR1-20240330.101522-15

Geyser Users: Geyser relies on this library and the latest builds (Build #478+) contains the fix.

Workarounds

There are no known workarounds beyond updating the library.

References

Questions or comments about this advisory can be addressed in the Cloudburst Discord #protocol channel.

Response to this vulnerability was part supported and funded by CubeCraft as part of it's Open Collaboration Project. We would like to thank all maintainers and volunteers who helped support the response.

Severity

High
8.6
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVE ID

CVE-2024-30249

Weaknesses

No CWEs

Credits