Description
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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| pmmp | PocketMine-MP | < 4.8.1 | 4.8.1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | pocketmine/pocketmine-mp | < 4.8.1 | 4.8.1 | GHSA-wqqv-jcfr-9f5g |
References
- GitHub Security Advisory (GHSA-wqqv-jcfr-9f5g) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: PocketMine-MP before 4.8.1 Server Crash via Banner NBT third-party-advisory