public override void Bad(HttpRequest req, HttpResponse resp)
{
int data;
data = int.MinValue; /* Initialize data */
/* POTENTIAL FLAW: Read data from a querystring using Params.Get() */
{
string stringNumber = req.Params.Get("name");
try
{
data = int.Parse(stringNumber.Trim());
}
catch (FormatException exceptNumberFormat)
{
IO.Logger.Log(NLog.LogLevel.Warn, exceptNumberFormat, "Number format exception reading data from parameter 'name'");
}
}
/* serialize data to a byte array */
byte[] dataSerialized = null;
try
{
BinaryFormatter bf = new BinaryFormatter();
using (var ms = new MemoryStream())
{
bf.Serialize(ms, data);
dataSerialized = ms.ToArray();
}
CWE789_Uncontrolled_Mem_Alloc__Params_Get_Web_HashSet_75b.BadSink(dataSerialized, req, resp);
}
catch (SerializationException exceptSerialize)
{
IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize);
}
}
/* goodG2B() - use goodsource and badsink */
private static void GoodG2B(HttpRequest req, HttpResponse resp)
{
int data;
/* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */
data = 2;
/* serialize data to a byte array */
byte[] dataSerialized = null;
try
{
BinaryFormatter bf = new BinaryFormatter();
using (var ms = new MemoryStream())
{
bf.Serialize(ms, data);
dataSerialized = ms.ToArray();
}
CWE789_Uncontrolled_Mem_Alloc__Params_Get_Web_HashSet_75b.GoodG2BSink(dataSerialized, req, resp);
}
catch (SerializationException exceptSerialize)
{
IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize);
}
}
