/* goodB2G() - use BadSource and GoodSink */ private static void GoodB2G() { uint data; /* init data */ data = 0; /* POTENTIAL FLAW: Read data from console with ReadLine*/ try { string stringNumber = Console.ReadLine(); if (stringNumber != null) { data = uint.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); } Hashtable dataHashtable = new Hashtable(5); dataHashtable.Add(0, data); dataHashtable.Add(1, data); dataHashtable.Add(2, data); CWE190_Integer_Overflow__UInt32_console_readLine_multiply_72b.GoodB2GSink(dataHashtable); }
/* goodG2B() - use GoodSource and BadSink */ private static void GoodG2B() { uint data; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; Hashtable dataHashtable = new Hashtable(5); dataHashtable.Add(0, data); dataHashtable.Add(1, data); dataHashtable.Add(2, data); CWE190_Integer_Overflow__UInt32_console_readLine_multiply_72b.GoodG2BSink(dataHashtable); }