Example #1
0
        public override void Bad(HttpRequest req, HttpResponse resp)
        {
            string data;

            data = ""; /* Initialize data */
            /* read input from WebClient */
            {
                try
                {
                    using (WebClient client = new WebClient())
                    {
                        using (StreamReader sr = new StreamReader(client.OpenRead("http://www.example.org/")))
                        {
                            /* POTENTIAL FLAW: Read data from a web server with WebClient */

                            /* This will be reading the first "line" of the response body,
                             * which could be very long if there are no newlines in the HTML */
                            data = sr.ReadLine();
                        }
                    }
                }
                catch (IOException exceptIO)
                {
                    IO.Logger.Log(NLog.LogLevel.Warn, exceptIO, "Error with stream reading");
                }
            }
            /* 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();
                }
                CWE80_XSS__Web_NetClient_75b.BadSink(dataSerialized, req, resp);
            }
            catch (SerializationException exceptSerialize)
            {
                IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize);
            }
        }
Example #2
0
        /* 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();
                }
                CWE80_XSS__Web_NetClient_75b.GoodG2BSink(dataSerialized, req, resp);
            }
            catch (SerializationException exceptSerialize)
            {
                IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize);
            }
        }