Scissors/patches/server/0043-Fix-component-extra-empty-array-exploit.patch
allinkdev 871cc5653c
Clean up patches (#103)
* Clean up command block event patch

* Merge resource location patches

* Merge map decoration patches

* Merge Video's resource location patches

* Merge large tag reset patches
2023-06-16 22:54:59 -05:00

23 lines
1.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Mon, 29 May 2023 19:34:50 -0300
Subject: [PATCH] Fix component extra empty array exploit
diff --git a/src/main/java/net/minecraft/network/chat/Component.java b/src/main/java/net/minecraft/network/chat/Component.java
index 3c0ee4e1f42f6056ca86a6f9f129d467e29a2fbc..9c2c22ee548ad77f0912698f33de5f467f32fb7f 100644
--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
@@ -266,6 +266,11 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
if (!jsonelement.isJsonObject()) {
if (jsonelement.isJsonArray()) {
JsonArray jsonarray = jsonelement.getAsJsonArray();
+ // Scissors start
+ if (jsonarray.size() <= 0) {
+ throw new JsonParseException("Unexpected empty array of components");
+ }
+ // Scissors end
ichatmutablecomponent = null;
Iterator iterator = jsonarray.iterator();