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Fix.

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Permisos 2021-04-15 14:12:33 -03:00 committed by GitHub
parent 6f04399d90
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0025-Check-if-packetID-is-invalid.patch
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@ -1,25 +0,0 @@
From e4a35d4d710e5781cb384e3ad08309f43c0f4b44 Mon Sep 17 00:00:00 2001
From: PermisosDev <55111245+PermisosDev@users.noreply.github.com>
Date: Thu, 15 Apr 2021 08:34:57 -0300
Subject: [PATCH] Check if packetID is invalid.
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
index dd089abd..b3de7a7b 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
@@ -65,7 +65,10 @@ public class MinecraftDecoder extends MessageToMessageDecoder<ByteBuf>
int packetId = DefinedPacket.readVarInt( in );
packetTypeInfo = packetId;
-
+ // FlameCord Start - Check if packetId is invalid.
+ if (packetId < 0 || packetId > 255)
+ throw new BadPacketException("[" + ctx.channel().remoteAddress() + "] <-> MinecraftDecoder received invalid packet #1, id " + packetId);
+ // Flamecord End
DefinedPacket packet = prot.createPacket( packetId, protocolVersion, supportsForge );
if ( packet != null )
{
--
2.29.2.windows.3