Fix component extra empty array exploit (#83)

2023-05-29 20:32:04 -03:00 · 2023-05-29 20:32:04 -03:00 · 020afc9e99
parent 92a9dd9634
commit 020afc9e99
1 changed files with 23 additions and 0 deletions
--- a/patches/server/0053-Fix-component-extra-empty-array-exploit.patch
+++ b/patches/server/0053-Fix-component-extra-empty-array-exploit.patch
@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Luna <lunahatesgogle@gmail.com>
+Date: Mon, 29 May 2023 19:47:48 -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 e6d733fc3a4acdb3fd91b5644285854943a02761..68d7739e44dc31ddf3f3c4fca4b3b7095060ac52 100644
+--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
+@@ -248,6 +248,12 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
+             } else 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
+                    
+                     MutableComponent ichatmutablecomponent = null;
+                     Iterator iterator = jsonarray.iterator();
+