6a96547ef0
git-svn-id: http://webgoat.googlecode.com/svn/branches/webgoat-6.0@485 4033779f-a91e-0410-96ef-6bf7bf53c507
290 lines
9.7 KiB
Java
290 lines
9.7 KiB
Java
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package org.owasp.webgoat.lessons;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.ecs.Element;
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import org.apache.ecs.ElementContainer;
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import org.apache.ecs.StringElement;
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import org.apache.ecs.html.A;
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import org.apache.ecs.html.BR;
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import org.apache.ecs.html.Div;
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import org.apache.ecs.html.Form;
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import org.apache.ecs.html.H1;
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import org.apache.ecs.html.H3;
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import org.apache.ecs.html.IMG;
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import org.apache.ecs.html.Input;
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import org.apache.ecs.html.PRE;
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import org.apache.ecs.html.TD;
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import org.apache.ecs.html.TR;
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import org.apache.ecs.html.Table;
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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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* @author Sherif Koussa <a href="http://www.softwaresecured.com">Software Secured</a>
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* @created December 26, 2006
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*/
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public class SilentTransactions extends LessonAdapter
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{
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private final static Integer DEFAULT_RANKING = new Integer(40);
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private final static Double CURRENT_BALANCE = 11987.09;
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public final static A MAC_LOGO = new A().setHref("http://www.softwaresecured.com").addElement(new IMG("images/logos/softwaresecured.gif").setAlt("Software Secured").setBorder(0).setHspace(0).setVspace(0));
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public void handleRequest(WebSession s)
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{
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try
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{
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if (s.getParser().getRawParameter("from", "").equals("ajax"))
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{
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if (s.getParser().getRawParameter("confirm", "").equals("Confirm"))
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{
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String amount = s.getParser().getRawParameter("amount", "");
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s.getResponse().setContentType("text/html");
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s.getResponse().setHeader("Cache-Control", "no-cache");
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PrintWriter out = new PrintWriter(s.getResponse().getOutputStream());
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StringBuffer result = new StringBuffer();
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result.append("<br><br>* Congratulations. You have successfully completed this lesson.<br>");
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if (!amount.equals(""))
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{
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result.append("You have just silently authorized ");
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result.append(amount);
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result.append("$ without the user interaction.<br>");
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}
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result
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.append("Now you can send out a spam email containing this link and whoever clicks on it<br>");
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result.append(" and happens to be logged in the same time will loose their money !!");
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out.print(result.toString());
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out.flush();
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out.close();
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getLessonTracker(s).setCompleted(true);
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return;
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}
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else if (s.getParser().getRawParameter("confirm", "").equals("Transferring"))
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{
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s.getResponse().setContentType("text/html");
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s.getResponse().setHeader("Cache-Control", "no-cache");
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PrintWriter out = new PrintWriter(s.getResponse().getOutputStream());
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out.print("<br><br>The Transaction has Completed Successfully.");
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out.flush();
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out.close();
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return;
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}
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}
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} catch (Exception ex)
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{
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ex.printStackTrace();
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}
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Form form = new Form(getFormAction(), Form.POST).setName("form").setEncType("");
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form.addElement(createContent(s));
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setContent(form);
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}
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/**
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* Description of the Method
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*
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* @param s
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* Current WebSession
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*/
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protected Element createContent(WebSession s)
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{
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ElementContainer ec = new ElementContainer();
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String lineSep = System.getProperty("line.separator");
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String script = "<script>"
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+ lineSep
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+ "function processData(){"
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+ lineSep
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+ " var accountNo = document.getElementById('newAccount').value;"
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+ lineSep
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+ " var amount = document.getElementById('amount').value;"
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+ lineSep
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+ " if ( accountNo == ''){"
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+ lineSep
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+ " alert('Please enter a valid account number to transfer to.')"
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+ lineSep
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+ " return;"
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+ lineSep
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+ "}"
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+ lineSep
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+ " else if ( amount == ''){"
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+ lineSep
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+ " alert('Please enter a valid amount to transfer.')"
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+ lineSep
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+ " return;"
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+ lineSep
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+ "}"
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+ lineSep
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+ " var balanceValue = document.getElementById('balanceID').innerHTML;"
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+ lineSep
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+ " balanceValue = balanceValue.replace( new RegExp('$') , '');"
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+ lineSep
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+ " if ( parseFloat(amount) > parseFloat(balanceValue) ) {"
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+ lineSep
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+ " alert('You can not transfer more funds than what is available in your balance.')"
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+ lineSep
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+ " return;"
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+ lineSep
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+ "}"
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+ lineSep
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+ " document.getElementById('confirm').value = 'Transferring'"
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+ lineSep
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+ "submitData(accountNo, amount);"
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+ lineSep
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+ " document.getElementById('confirm').value = 'Confirm'"
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+ lineSep
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+ "balanceValue = parseFloat(balanceValue) - parseFloat(amount);"
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+ lineSep
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+ "balanceValue = balanceValue.toFixed(2);"
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+ lineSep
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+ "document.getElementById('balanceID').innerHTML = balanceValue + '$';"
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+ lineSep
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+ "}"
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+ lineSep
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+ "function submitData(accountNo, balance) {"
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+ lineSep
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+ "var url = '"
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+ getLink()
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+ "&from=ajax&newAccount='+ accountNo+ '&amount=' + balance +'&confirm=' + document.getElementById('confirm').value; "
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+ lineSep + "if (typeof XMLHttpRequest != 'undefined') {" + lineSep + "req = new XMLHttpRequest();"
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+ lineSep + "} else if (window.ActiveXObject) {" + lineSep
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+ "req = new ActiveXObject('Microsoft.XMLHTTP');" + lineSep + " }" + lineSep
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+ " req.open('GET', url, true);" + lineSep + " req.onreadystatechange = callback;" + lineSep
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+ " req.send(null);" + lineSep + "}" + lineSep + "function callback() {" + lineSep
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+ " if (req.readyState == 4) { " + lineSep + " if (req.status == 200) { " + lineSep
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+ " var result = req.responseText ;" + lineSep
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+ " var resultsDiv = document.getElementById('resultsDiv');" + lineSep
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+ " resultsDiv.innerHTML = '';" + lineSep + " resultsDiv.innerHTML = result;" + lineSep
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+ " }}}" + lineSep + "</script>" + lineSep;
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ec.addElement(new StringElement(script));
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ec.addElement(new H1("Welcome to WebGoat Banking System"));
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ec.addElement(new BR());
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ec.addElement(new H3("Account Summary:"));
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Table t1 = new Table().setCellSpacing(0).setCellPadding(0).setBorder(1).setWidth("70%").setAlign("left");
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ec.addElement(new BR());
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TR tr = new TR();
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tr.addElement(new TD(new StringElement("Account Balance:")));
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tr.addElement(new TD(new StringElement("<div id='balanceID'>" + CURRENT_BALANCE.toString() + "$</div>")));
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t1.addElement(tr);
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tr = new TR();
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tr.addElement(new TD(new StringElement("Transfer to Account:")));
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Input newAccount = new Input();
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newAccount.addAttribute("id", "newAccount");
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newAccount.setType(Input.TEXT);
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newAccount.setName("newAccount");
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newAccount.setValue("");
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tr.addElement(new TD(newAccount));
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t1.addElement(tr);
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tr = new TR();
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tr.addElement(new TD(new StringElement("Transfer Amount:")));
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Input amount = new Input();
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amount.addAttribute("id", "amount");
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amount.setType(Input.TEXT);
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amount.setName("amount");
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amount.setValue(0);
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tr.addElement(new TD(amount));
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t1.addElement(tr);
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ec.addElement(t1);
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ec.addElement(new BR());
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ec.addElement(new BR());
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ec.addElement(new PRE());
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Input b = new Input();
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b.setType(Input.BUTTON);
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b.setName("confirm");
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b.addAttribute("id", "confirm");
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b.setValue("Confirm");
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b.setOnClick("processData();");
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ec.addElement(b);
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ec.addElement(new BR());
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Div div = new Div();
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div.addAttribute("name", "resultsDiv");
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div.addAttribute("id", "resultsDiv");
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div.setStyle("font-weight: bold;color:red;");
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ec.addElement(div);
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return ec;
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}
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protected Category getDefaultCategory()
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{
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return Category.AJAX_SECURITY;
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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("Check the javascript in the HTML source.");
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hints.add("Check how the application calls a specific javascript function to execute the transaction.");
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hints.add("Check the javascript functions processData and submitData()");
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hints.add("Function submitData() is the one responsible for actually ececuting the transaction.");
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hints.add("Check if your browser supports running javascript from the address bar.");
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hints.add("Try to navigate to 'javascript:submitData(1234556,11000);'");
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return hints;
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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 HelloScreen 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 ("Silent Transactions Attacks");
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}
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public Element getCredits()
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{
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return super.getCustomCredits("Created by Sherif Koussa ", MAC_LOGO);
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}
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}
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