From ba9bdc79f4534c99eb281cd98a71f99d7bdb6849 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Konvi=C4=8Dka?= <konvicka.g630@gmail.com>
Date: Fri, 12 Jan 2024 10:38:59 +0100
Subject: [PATCH] security: Disable backtracking at regex
---
LanguageRecogniser/Cpp/CppClassDiagramVisitor.cs | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/LanguageRecogniser/Cpp/CppClassDiagramVisitor.cs b/LanguageRecogniser/Cpp/CppClassDiagramVisitor.cs
index 5304757..ba6ae40 100644
--- a/LanguageRecogniser/Cpp/CppClassDiagramVisitor.cs
+++ b/LanguageRecogniser/Cpp/CppClassDiagramVisitor.cs
@@ -144,8 +144,8 @@ public class CppClassDiagramVisitor : CPP14ParserBaseVisitor<object>
string compositionPattern = @"^(?:std::)?(?:vector<)?(\w+)>?$";
// Check if the property type matches aggregation or composition
- Match aggregationMatch = Regex.Match(atribute.Type, aggregationPattern);
- Match compositionMatch = Regex.Match(atribute.Type, compositionPattern);
+ Match aggregationMatch = Regex.Match(atribute.Type, aggregationPattern, RegexOptions.NonBacktracking);
+ Match compositionMatch = Regex.Match(atribute.Type, compositionPattern, RegexOptions.NonBacktracking);
int groupMatch = 1;
if (aggregationMatch.Success && !string.IsNullOrEmpty(aggregationMatch.Groups[groupMatch].Value))
{
--
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