Scissors/patches/server/0026-Fixes-out-of-bounds-HangingEntity-crash-exploit.patch

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2023-12-29 19:48:29 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Video <videogamesm12@gmail.com>
Date: Fri, 19 Aug 2022 00:49:38 -0600
Subject: [PATCH] Fixes out of bounds HangingEntity crash exploit
diff --git a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
index 5f4c42c4ba44923cabb873bfad33abc2b1362e73..6608c98d1a517c307e16669e536dda6eb9f1e082 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
@@ -279,6 +279,13 @@ public abstract class HangingEntity extends Entity {
public void readAdditionalSaveData(CompoundTag nbt) {
BlockPos blockposition = new BlockPos(nbt.getInt("TileX"), nbt.getInt("TileY"), nbt.getInt("TileZ"));
+ // Scissors start - Fixes exploit where bad TileX, TileY, and TileZ coordinates can crash servers
+ if (level().isLoadedAndInBounds(blockposition))
+ {
+ this.pos = blockposition;
+ }
+ // Scissors end
+
if (!blockposition.closerThan(this.blockPosition(), 16.0D)) {
HangingEntity.LOGGER.error("Hanging entity at invalid position: {}", blockposition);
} else {