6a96547ef0
git-svn-id: http://webgoat.googlecode.com/svn/branches/webgoat-6.0@485 4033779f-a91e-0410-96ef-6bf7bf53c507
244 lines
8.6 KiB
Java
244 lines
8.6 KiB
Java
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package org.owasp.webgoat.lessons.DBSQLInjection;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.ecs.ElementContainer;
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import org.owasp.webgoat.lessons.Category;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.DeleteProfile;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.EditProfile;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.FindProfile;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.GoatHillsFinancial;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.LessonAction;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.ListStaff;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.Logout;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.SearchStaff;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.UpdateProfile;
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import org.owasp.webgoat.lessons.GoatHillsFinancial.ViewProfile;
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import org.owasp.webgoat.session.ParameterNotFoundException;
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import org.owasp.webgoat.session.UnauthenticatedException;
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import org.owasp.webgoat.session.UnauthorizedException;
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import org.owasp.webgoat.session.ValidationException;
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import org.owasp.webgoat.session.WebSession;
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/***************************************************************************************************
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*
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*
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* This file is part of WebGoat, an Open Web Application Security Project utility. For details,
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* please see http://www.owasp.org/
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*
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* Copyright (c) 2002 - 2007 Bruce Mayhew
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program; if
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* not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Getting Source ==============
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*
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* Source for this application is maintained at code.google.com, a repository for free software
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* projects.
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*
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* For details, please see http://code.google.com/p/webgoat/
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*/
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public class DBSQLInjection extends GoatHillsFinancial
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{
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private final static Integer DEFAULT_RANKING = new Integer(75);
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public final static int PRIZE_EMPLOYEE_ID = 112;
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public final static String PRIZE_EMPLOYEE_NAME = "Neville Bartholomew";
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public final static String STAGE1 = "String SQL Injection";
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public final static String STAGE2 = "Block SQL Injection using Bind Variables";
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public void registerActions(String className)
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{
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registerAction(new ListStaff(this, className, LISTSTAFF_ACTION));
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registerAction(new SearchStaff(this, className, SEARCHSTAFF_ACTION));
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registerAction(new ViewProfile(this, className, VIEWPROFILE_ACTION));
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registerAction(new EditProfile(this, className, EDITPROFILE_ACTION));
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registerAction(new EditProfile(this, className, CREATEPROFILE_ACTION));
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// These actions are special in that they chain to other actions.
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registerAction(new Login(this, className, LOGIN_ACTION, getAction(LISTSTAFF_ACTION)));
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registerAction(new Logout(this, className, LOGOUT_ACTION, getAction(LOGIN_ACTION)));
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registerAction(new FindProfile(this, className, FINDPROFILE_ACTION, getAction(VIEWPROFILE_ACTION)));
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registerAction(new UpdateProfile(this, className, UPDATEPROFILE_ACTION, getAction(VIEWPROFILE_ACTION)));
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registerAction(new DeleteProfile(this, className, DELETEPROFILE_ACTION, getAction(LISTSTAFF_ACTION)));
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}
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/**
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* Gets the category attribute of the CrossSiteScripting object
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*
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* @return The category value
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*/
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public Category getDefaultCategory()
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{
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return Category.INJECTION;
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}
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/**
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* Gets the hints attribute of the DirectoryScreen object
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*
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* @return The hints value
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*/
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protected List<String> getHints(WebSession s)
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{
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List<String> hints = new ArrayList<String>();
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hints.add("The application is taking your input and inserting it at the end of a pre-formed SQL command.");
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hints
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.add("This is the code for the query being built and issued by WebGoat:<br><br> "
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+ "stmt := 'SELECT USERID FROM EMPLOYEE WHERE USERID = ' || v_id || ' AND PASSWORD = ''' || v_password || '''';<br>"
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+ "EXECUTE IMMEDIATE stmt INTO v_userid;");
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hints
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.add("Compound SQL statements can be made by joining multiple tests with keywords like AND and OR. "
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+ "Remember: You need to end up with a SQL statement that only returns one row, since we are using an INTO clause");
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// Stage 1
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hints.add("You may need to use WebScarab to remove a field length limit to fit your attack.");
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hints.add("Try entering a password of [ ' OR userid=112 OR password=' ].");
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// Stage 2
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hints.add("Change the Stored procedure to use bind variables.");
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return hints;
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}
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@Override
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public String[] getStages()
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{
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if (getWebgoatContext().isCodingExercises()) return new String[] { STAGE1, STAGE2 };
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return new String[] { STAGE1 };
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}
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/**
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* Gets the instructions attribute of the ParameterInjection object
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*
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* @return The instructions value
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*/
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public String getInstructions(WebSession s)
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{
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String instructions = "";
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if (!getLessonTracker(s).getCompleted())
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{
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String stage = getStage(s);
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if (STAGE1.equals(stage))
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{
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instructions = "Stage 1: Use String SQL Injection to bypass authentication. "
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+ "The goal here is to login as the user " + PRIZE_EMPLOYEE_NAME
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+ ", who is in the Admin group. "
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+ "You do not have the password, but the form is SQL injectable. "
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+ "View the EMPLOYEE_LOGIN stored procedure and see if you can "
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+ "determine why the exploit exists.";
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}
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else if (STAGE2.equals(stage))
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{
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instructions = "Stage 2: Use bind variables.<br>"
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+ "Using the Squirrel SQL Client, update the EMPLOYEE_LOGIN stored procedure in the database "
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+ "to use bind variables, rather than string concatenation. "
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+ "Repeat the SQL Injection attack. Verify that the attack is no longer effective.";
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}
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}
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return instructions;
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}
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public void handleRequest(WebSession s)
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{
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if (s.getLessonSession(this) == null) s.openLessonSession(this);
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String requestedActionName = null;
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try
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{
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requestedActionName = s.getParser().getStringParameter("action");
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} catch (ParameterNotFoundException pnfe)
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{
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// Let them eat login page.
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requestedActionName = LOGIN_ACTION;
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}
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if (requestedActionName != null)
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{
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try
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{
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LessonAction action = getAction(requestedActionName);
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if (action != null)
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{
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// System.out.println("CrossSiteScripting.handleRequest() dispatching to: " +
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// action.getActionName());
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if (!action.requiresAuthentication() || action.isAuthenticated(s))
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{
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action.handleRequest(s);
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// setCurrentAction(s, action.getNextPage(s));
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}
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}
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else
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setCurrentAction(s, ERROR_ACTION);
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} catch (ParameterNotFoundException pnfe)
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{
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// System.out.println("Missing parameter");
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pnfe.printStackTrace();
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setCurrentAction(s, ERROR_ACTION);
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} catch (ValidationException ve)
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{
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// System.out.println("Validation failed");
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ve.printStackTrace();
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setCurrentAction(s, ERROR_ACTION);
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} catch (UnauthenticatedException ue)
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{
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s.setMessage("Login failed");
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// System.out.println("Authentication failure");
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ue.printStackTrace();
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} catch (UnauthorizedException ue2)
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{
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s.setMessage("You are not authorized to perform this function");
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// System.out.println("Authorization failure");
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ue2.printStackTrace();
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} catch (Exception e)
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{
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// All other errors send the user to the generic error page
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// System.out.println("handleRequest() error");
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e.printStackTrace();
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setCurrentAction(s, ERROR_ACTION);
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}
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}
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// All this does for this lesson is ensure that a non-null content exists.
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setContent(new ElementContainer());
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}
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protected Integer getDefaultRanking()
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{
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return DEFAULT_RANKING;
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}
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/**
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* Gets the title attribute of the CrossSiteScripting object
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*
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* @return The title value
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*/
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public String getTitle()
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{
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return "LAB: DB SQL Injection";
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}
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@Override
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protected boolean getDefaultHidden()
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{
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String driver = getWebgoatContext().getDatabaseDriver();
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boolean hidden = !(driver.contains("oracle") || driver.contains("jtds"));
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return hidden;
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}
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} |