/* 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"; } string[] dataArray = new string[5]; dataArray[2] = data; CWE427_Uncontrolled_Search_Path_Element__Listen_tcp_66b.GoodG2BSink(dataArray); }
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"); } } } } string[] dataArray = new string[5]; dataArray[2] = data; CWE427_Uncontrolled_Search_Path_Element__Listen_tcp_66b.BadSink(dataArray); }