CVE-2021-39177
User impersonation due to incorrect handling of the login JWT
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut GHSA (hoch).
Beschreibung
Geyser is a bridge between Minecraft: Bedrock Edition and Minecraft: Java Edition. Versions of Geyser prior to 1.4.2-SNAPSHOT allow anyone that can connect to the server to forge a LoginPacket with manipulated JWT token allowing impersonation as any user. Version 1.4.2-SNAPSHOT contains a patch for the issue. There are no known workarounds aside from upgrading.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| maven::GitHub Security Advisory Maven | org.geysermc:connector | 1.4.2-SNAPSHOT |
Referenzen
- https://github.com/GeyserMC/Geyser
- https://github.com/GeyserMC/Geyser/commit/b9541505af68ac7b7c093206ac7b1ba88957a5a6
- https://github.com/GeyserMC/Geyser/security/advisories/GHSA-h77f-xxx7-4858
- https://nvd.nist.gov/vuln/detail/CVE-2021-39177
- https://updates.playhive.com/changelog/weekend-maintenance-breakdown
- https://updates.playhive.com/weekend-maintenance-disclosure-2kJMaY