Reject files with an invalid byteLength value

2021-11-26 13:01:15 +00:00
parent 38382715f7
commit 0015823bef
1 changed files with 4 additions and 0 deletions
--- a/code/AssetLib/glTF2/glTF2Asset.inl
+++ b/code/AssetLib/glTF2/glTF2Asset.inl
@@ -600,6 +600,10 @@ inline void Buffer::Read(Value &obj, Asset &r) {
 inline bool Buffer::LoadFromStream(IOStream &stream, size_t length, size_t baseOffset) {
    byteLength = length ? length : stream.FileSize();

+    if (byteLength > stream.FileSize()) {
+        throw DeadlyImportError("GLTF: Invalid byteLength exceeds size of actual data.");
+    }
+
    if (baseOffset) {
        stream.Seek(baseOffset, aiOrigin_SET);
    }