/* goodB2G2() - use badsource and goodsink by reversing the blocks in the if in the sink function */ private void GoodB2G2() { sbyte data = 0; /* init data */ data = 0; /* POTENTIAL FLAW: Read data from console with ReadLine*/ try { string stringNumber = Console.ReadLine(); if (stringNumber != null) { data = sbyte.Parse(stringNumber.Trim()); } } catch (IOException exceptIO) { IO.Logger.Log(NLog.LogLevel.Warn, "Error with stream reading", exceptIO); } catch (FormatException exceptNumberFormat) { IO.Logger.Log(NLog.LogLevel.Warn, "Error with number parsing", exceptNumberFormat); } goodB2G2PublicStatic = true; CWE191_Integer_Underflow__SByte_console_ReadLine_multiply_22b.GoodB2G2Sink(data); }
/* goodG2B() - use goodsource and badsink */ private void GoodG2B() { sbyte data = 0; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; goodG2BPublicStatic = true; CWE191_Integer_Underflow__SByte_console_ReadLine_multiply_22b.GoodG2BSink(data); }