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Validate ResourceLocation in NBT reading

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This commit is contained in:
Nassim Jahnke
2024-01-04 13:49:14 +01:00
parent b37ffd3a00
commit 2506babe8e
11 changed files with 223 additions and 122 deletions
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15
paper-server/patches/sources/net/minecraft/nbt/NbtUtils.java.patch Normal file
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@@ -0,0 +1,15 @@
--- a/net/minecraft/nbt/NbtUtils.java
+++ b/net/minecraft/nbt/NbtUtils.java
@@ -149,8 +149,10 @@
if (!nbt.contains("Name", 8)) {
return Blocks.AIR.defaultBlockState();
} else {
- ResourceLocation resourceLocation = ResourceLocation.parse(nbt.getString("Name"));
- Optional<? extends Holder<Block>> optional = blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation));
+ // Paper start - Validate resource location
+ ResourceLocation resourceLocation = ResourceLocation.tryParse(nbt.getString("Name"));
+ Optional<? extends Holder<Block>> optional = resourceLocation != null ? blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation)) : Optional.empty();
+ // Paper end - Validate resource location
if (optional.isEmpty()) {
return Blocks.AIR.defaultBlockState();
} else {