CMS: Fix possible overflow access (assimp#6052)

kimkulling · web-flow · commit 2690e354da0c · 2025-03-13T21:10:49.000+01:00
- closes assimp#6010
diff --git a/code/AssetLib/CSM/CSMLoader.cpp b/code/AssetLib/CSM/CSMLoader.cpp
@@ -150,7 +150,7 @@ void CSMImporter::InternReadFile( const std::string& pFile,
                     aiNodeAnim* nda = anims_temp.back();
 
                     char* ot = nda->mNodeName.data;
-                    while (!IsSpaceOrNewLine(*buffer)) {
+                    while (!IsSpaceOrNewLine(*buffer) && buffer != end) {
                         *ot++ = *buffer++;
                     }
 

Original file line number	Diff line number	Diff line change
`@@ -150,7 +150,7 @@ void CSMImporter::InternReadFile( const std::string& pFile,`
`150`	`150`	`aiNodeAnim* nda = anims_temp.back();`
`151`	`151`
`152`	`152`	`char* ot = nda->mNodeName.data;`
`153`		`- while (!IsSpaceOrNewLine(*buffer)) {`
	`153`	`+ while (!IsSpaceOrNewLine(*buffer) && buffer != end) {`
`154`	`154`	`ot++ = buffer++;`
`155`	`155`	`}`
`156`	`156`