Fix UNKNOWN READ in Assimp::MDLImporter::ParseSkinLump_3DGS_MDL7

2023-06-03 20:28:37 +00:00
parent 4180b1fd08
commit 54b0c00418
1 changed files with 4 additions and 0 deletions
--- a/code/AssetLib/MDL/MDLMaterialLoader.cpp
+++ b/code/AssetLib/MDL/MDLMaterialLoader.cpp
@@ -481,6 +481,10 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
        pcNew->achFormatHint[2] = 's';
        pcNew->achFormatHint[3] = '\0';

+        if (szCurrent + pcNew->mWidth > this->mBuffer + this->iFileSize) {
+            throw DeadlyImportError("Invalid MDL file. Unexpected EOF");
+        }
+
        pcNew->pcData = (aiTexel *)new unsigned char[pcNew->mWidth];
        memcpy(pcNew->pcData, szCurrent, pcNew->mWidth);
        szCurrent += iWidth;