Fix component extra empty array exploit (#82)

2023-05-29 19:59:58 -03:00 · 2023-05-29 19:59:58 -03:00 · ae17467c1b
parent 08930195bb
commit ae17467c1b
1 changed files with 22 additions and 0 deletions
--- a/patches/server/0047-Fix-component-extra-empty-array-exploit.patch
+++ b/patches/server/0047-Fix-component-extra-empty-array-exploit.patch
@ -0,0 +1,22 @@
+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 534f1e6092d2b64b6e6e3182eac0cc38718ab2f8..7fcab29427ea030c0d9dcb6ce237b67d98420b55 100644
+--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
+@@ -322,6 +322,11 @@ 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();