/* goodG2B() - use goodsource and badsink */ private static void GoodG2B() { string data; /* FIX: Set the path as the "system" path */ if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux)) { data = "/bin"; } else { data = "%SystemRoot%\\system32"; } /* 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(); } CWE427_Uncontrolled_Search_Path_Element__Environment_75b.GoodG2BSink(dataSerialized); } catch (SerializationException exceptSerialize) { IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize); } }
public override void Bad() { string data; /* get environment variable ADD */ /* POTENTIAL FLAW: Read data from an environment variable */ data = Environment.GetEnvironmentVariable("ADD"); /* 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(); } CWE427_Uncontrolled_Search_Path_Element__Environment_75b.BadSink(dataSerialized); } catch (SerializationException exceptSerialize) { IO.Logger.Log(NLog.LogLevel.Warn, "Serialization exception in serialization", exceptSerialize); } }