public override void Bad() { int data; data = int.MinValue; /* Initialize data */ { /* read user input from console with ReadLine */ try { /* POTENTIAL FLAW: Read data from the console using ReadLine */ string stringNumber = Console.ReadLine(); if (stringNumber != null) // avoid NPD incidental warnings { try { data = int.Parse(stringNumber.Trim()); } catch (FormatException exceptNumberFormat) { IO.Logger.Log(NLog.LogLevel.Warn, exceptNumberFormat, "Number format exception parsing data from string"); } } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading"); } } CWE197_Numeric_Truncation_Error__int_ReadLine_to_short_51b.BadSink(data); }
/* goodG2B() - use goodsource and badsink */ private void GoodG2B() { int data; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; CWE197_Numeric_Truncation_Error__int_ReadLine_to_short_51b.GoodG2BSink(data); }