public override void Bad(HttpRequest req, HttpResponse resp)
{
string data;
data = ""; /* initialize data in case there are no cookies */
/* Read data from cookies */
{
HttpCookieCollection cookieSources = req.Cookies;
if (cookieSources != null)
{
/* POTENTIAL FLAW: Read data from the first cookie value */
data = cookieSources[0].Value;
}
}
/* 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();
}
CWE81_XSS_Error_Message__Web_Get_Cookies_Web_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)
{
string data;
/* FIX: Use a hardcoded string */
data = "foo";
/* 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();
}
CWE81_XSS_Error_Message__Web_Get_Cookies_Web_75b.GoodG2BSink(dataSerialized, req, resp);
}
catch (SerializationException exceptSerialize)
{
IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize);
}
}
