/* 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; Dictionary <int, uint> dataDictionary = new Dictionary <int, uint>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE190_Integer_Overflow__UInt32_rand_add_74b.GoodG2BSink(dataDictionary); }
/* goodB2G() - use BadSource and GoodSink */ private static void GoodB2G() { uint data; /* POTENTIAL FLAW: Use a random value */ data = (uint)(new Random().Next(1 << 30)) << 2 | (uint)(new Random().Next(1 << 2)); Dictionary <int, uint> dataDictionary = new Dictionary <int, uint>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE190_Integer_Overflow__UInt32_rand_add_74b.GoodB2GSink(dataDictionary); }
public override void Bad() { uint data; /* POTENTIAL FLAW: Use a random value */ data = (uint)(new Random().Next(1 << 30)) << 2 | (uint)(new Random().Next(1 << 2)); Dictionary <int, uint> dataDictionary = new Dictionary <int, uint>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE190_Integer_Overflow__UInt32_rand_add_74b.BadSink(dataDictionary); }