Scissors/patches/server/0026-Fixes-out-of-bounds-HangingEntity-crash-exploit.patch
Luna 65d7993679
Backport 1.20.1 patches to 1.19.4 (#116)
* First pass

* Second and final pass

* Update Jenkinsfile
2023-07-04 16:10:53 -05:00

25 lines
1.3 KiB
Diff

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 f7d031e9a5aa533d78a49ed6147dd47dd0f27f01..68bd4f64e85f26071640b219bb91b868f8e8aded 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
@@ -271,6 +271,13 @@ 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 {