Fix Heap-buffer-overflow READ in Assimp::ObjFileParser::getFace

2023-05-31 07:57:36 +00:00
parent bee751b5f9
commit c3e69b5b82
1 changed files with 2 additions and 2 deletions
--- a/code/AssetLib/Obj/ObjFileParser.cpp
+++ b/code/AssetLib/Obj/ObjFileParser.cpp
@@ -456,8 +456,8 @@ void ObjFileParser::getFace(aiPrimitiveType type) {
            iPos = 0;
        } else {
            //OBJ USES 1 Base ARRAYS!!!!
-            const char *token = &(*m_DataIt);
-            const int iVal = ::atoi(token);
+            std::string number(&(*m_DataIt), m_DataItEnd - m_DataIt);
+            const int iVal(::atoi(number.c_str()));

            // increment iStep position based off of the sign and # of digits
            int tmp = iVal;