(svn r26062) -Fix: beef up checks against invalid data in highscore and language files

2013-11-23 13:18:29 +00:00
parent e4b208c069
commit 54ecaa1290
2 changed files with 10 additions and 5 deletions
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -1763,7 +1763,12 @@ bool ReadLanguagePack(const LanguageMetadata *lang)

 	uint count = 0;
 	for (uint i = 0; i < TAB_COUNT; i++) {
-		uint num = lang_pack->offsets[i];
+		uint16 num = lang_pack->offsets[i];
+		if (num > TAB_SIZE) {
+				free(lang_pack);
+				return false;
+		}
+
 		_langtab_start[i] = count;
 		_langtab_num[i] = num;
 		count += num;