/* goodG2B() - use goodsource and badsink */ private static void GoodG2B() { long data = CWE191_Integer_Underflow__Long_console_ReadLine_sub_61b.GoodG2BSource(); /* POTENTIAL FLAW: if data == long.MinValue, this will overflow */ long result = (long)(data - 1); IO.WriteLine("result: " + result); }
public override void Bad() { long data = CWE191_Integer_Underflow__Long_console_ReadLine_sub_61b.BadSource(); /* POTENTIAL FLAW: if data == long.MinValue, this will overflow */ long result = (long)(data - 1); IO.WriteLine("result: " + result); }
/* goodB2G() - use badsource and goodsink */ private static void GoodB2G() { long data = CWE191_Integer_Underflow__Long_console_ReadLine_sub_61b.GoodB2GSource(); /* FIX: Add a check to prevent an overflow from occurring */ if (data > long.MinValue) { long result = (long)(data - 1); IO.WriteLine("result: " + result); } else { IO.WriteLine("data value is too small to perform subtraction."); } }