public override void Bad() { string data; data = ""; /* Initialize data */ /* Read data using a listening tcp connection */ { TcpListener listener = null; try { listener = new TcpListener(IPAddress.Parse("10.10.1.10"), 39543); listener.Start(); using (TcpClient tcpConn = listener.AcceptTcpClient()) { /* read input from socket */ using (StreamReader sr = new StreamReader(tcpConn.GetStream())) { /* POTENTIAL FLAW: Read data using a listening tcp connection */ data = sr.ReadLine(); } } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } finally { if (listener != null) { try { listener.Stop(); } catch (SocketException se) { IO.Logger.Log(NLog.LogLevel.Warn, se, "Error closing TcpListener"); } } } } Dictionary <int, string> dataDictionary = new Dictionary <int, string>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE427_Uncontrolled_Search_Path_Element__Listen_tcp_74b.BadSink(dataDictionary); }
/* goodG2B() - use goodsource and badsink */ private static void GoodG2B() { string data; /* FIX: Set the path as the "system" path */ if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux)) { data = "/bin"; } else { data = "%SystemRoot%\\system32"; } Dictionary <int, string> dataDictionary = new Dictionary <int, string>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE427_Uncontrolled_Search_Path_Element__Listen_tcp_74b.GoodG2BSink(dataDictionary); }