/* goodB2G2() - use badsource and goodsink by reversing the blocks in the if in the sink function */ private void GoodB2G2(HttpRequest req, HttpResponse resp) { int data = 0; data = int.MinValue; /* 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 */ string stringNumber = cookieSources[0].Value; try { data = int.Parse(stringNumber.Trim()); } catch (FormatException exceptNumberFormat) { IO.Logger.Log(NLog.LogLevel.Warn, exceptNumberFormat, "Number format exception reading data from cookie"); } } } goodB2G2PublicStatic = true; CWE129_Improper_Validation_of_Array_Index__Get_Cookies_Web_array_write_no_check_22b.GoodB2G2Sink(data, req, resp); }
/* goodG2B() - use goodsource and badsink */ private void GoodG2B(HttpRequest req, HttpResponse resp) { int data = 0; /* FIX: Use a hardcoded number that won't cause underflow, overflow, divide by zero, or loss-of-precision issues */ data = 2; goodG2BPublicStatic = true; CWE129_Improper_Validation_of_Array_Index__Get_Cookies_Web_array_write_no_check_22b.GoodG2BSink(data, req, resp); }