/* TEMPLATE GENERATED TESTCASE FILE Filename: CWE90_LDAP_Injection__getParameter_Servlet_75a.java Label Definition File: CWE90_LDAP_Injection.label.xml Template File: sources-sink-75a.tmpl.java */ /* * @description * CWE: 90 LDAP Injection * BadSource: getParameter_Servlet Read data from a querystring using getParameter() * GoodSource: A hardcoded string * Sinks: * BadSink : data concatenated into LDAP search, which could result in LDAP Injection * Flow Variant: 75 Data flow: data passed in a serialized object from one method to another in different source files in the same package * * */ package testcases.CWE90_LDAP_Injection; import testcasesupport.*; import java.io.ByteArrayOutputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.io.IOException; import java.util.logging.Level; import javax.servlet.http.*; public class CWE90_LDAP_Injection__getParameter_Servlet_75a extends AbstractTestCaseServlet { public void bad(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; /* POTENTIAL FLAW: Read data from a querystring using getParameter */ data = request.getParameter("name"); /* serialize data to a byte array */ ByteArrayOutputStream streamByteArrayOutput = null; ObjectOutput outputObject = null; try { streamByteArrayOutput = new ByteArrayOutputStream() ; outputObject = new ObjectOutputStream(streamByteArrayOutput) ; outputObject.writeObject(data); byte[] dataSerialized = streamByteArrayOutput.toByteArray(); (new CWE90_LDAP_Injection__getParameter_Servlet_75b()).badSink(dataSerialized , request, response ); } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO); } finally { /* clean up stream writing objects */ try { if (outputObject != null) { outputObject.close(); } } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO); } try { if (streamByteArrayOutput != null) { streamByteArrayOutput.close(); } } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "Error closing ByteArrayOutputStream", exceptIO); } } } public void good(HttpServletRequest request, HttpServletResponse response) throws Throwable { goodG2B(request, response); } /* goodG2B() - use goodsource and badsink */ private void goodG2B(HttpServletRequest request, HttpServletResponse response) throws Throwable { String data; /* FIX: Use a hardcoded string */ data = "foo"; /* serialize data to a byte array */ ByteArrayOutputStream streamByteArrayOutput = null; ObjectOutput outputObject = null; try { streamByteArrayOutput = new ByteArrayOutputStream() ; outputObject = new ObjectOutputStream(streamByteArrayOutput) ; outputObject.writeObject(data); byte[] dataSerialized = streamByteArrayOutput.toByteArray(); (new CWE90_LDAP_Injection__getParameter_Servlet_75b()).goodG2BSink(dataSerialized , request, response ); } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "IOException in serialization", exceptIO); } finally { /* clean up stream writing objects */ try { if (outputObject != null) { outputObject.close(); } } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "Error closing ObjectOutputStream", exceptIO); } try { if (streamByteArrayOutput != null) { streamByteArrayOutput.close(); } } catch (IOException exceptIO) { IO.logger.log(Level.WARNING, "Error closing ByteArrayOutputStream", exceptIO); } } } /* Below is the main(). It is only used when building this testcase on * its own for testing or for building a binary to use in testing binary * analysis tools. It is not used when compiling all the testcases as one * application, which is how source code analysis tools are tested. */ public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException { mainFromParent(args); } }