CVE-2023-54396

Impact

PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.

Affected products

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References

• NVD record
• CVE.org record
• https://github.com/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb
• https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g
• https://www.vulncheck.com/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt