rogan.dawes b0b94c4688 Miscellaneous bug fixes
divide by zero, inaccurate discount and totals, reflection of user input


git-svn-id: http://webgoat.googlecode.com/svn/trunk/webgoat@273 4033779f-a91e-0410-96ef-6bf7bf53c507
2008-01-14 14:02:11 +00:00

295 lines
9.8 KiB
Java

package org.owasp.webgoat.lessons;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.ecs.Element;
import org.apache.ecs.ElementContainer;
import org.apache.ecs.html.BR;
import org.apache.ecs.html.Center;
import org.apache.ecs.html.H1;
import org.apache.ecs.html.HR;
import org.apache.ecs.html.Input;
import org.apache.ecs.html.TD;
import org.apache.ecs.html.TH;
import org.apache.ecs.html.TR;
import org.apache.ecs.html.Table;
import org.owasp.webgoat.session.ECSFactory;
import org.owasp.webgoat.session.WebSession;
import org.owasp.webgoat.util.HtmlEncoder;
/*******************************************************************************
*
*
* This file is part of WebGoat, an Open Web Application Security Project
* utility. For details, please see http://www.owasp.org/
*
* Copyright (c) 2002 - 2007 Bruce Mayhew
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Getting Source ==============
*
* Source for this application is maintained at code.google.com, a repository
* for free software projects.
*
* For details, please see http://code.google.com/p/webgoat/
*
* @author Bruce Mayhew <a href="http://code.google.com/p/webgoat">WebGoat</a>
* @created October 28, 2003
*/
public class ReflectedXSS extends LessonAdapter
{
/**
* Description of the Method
*
* @param s Description of the Parameter
* @return Description of the Return Value
*/
protected Element createContent(WebSession s)
{
ElementContainer ec = new ElementContainer();
String regex1 = "^[0-9]{3}$";// any three digits
Pattern pattern1 = Pattern.compile(regex1);
try
{
String param1 = s.getParser().getRawParameter("field1", "111");
String param2 = HtmlEncoder.encode(s.getParser().getRawParameter(
"field2", "4128 3214 0002 1999"));
float quantity = 1.0f;
float total = 0.0f;
float runningTotal = 0.0f;
// test input field1
if (!pattern1.matcher(param1).matches())
{
if (param1.toLowerCase().indexOf("script") != -1)
{
makeSuccess(s);
}
s
.setMessage("Whoops! You entered "
+ param1
+ " instead of your three digit code. Please try again.");
}
// FIXME: encode output of field2, then s.setMessage( field2 );
ec.addElement(new HR().setWidth("90%"));
ec.addElement(new Center().addElement(new H1()
.addElement("Shopping Cart ")));
Table t = new Table().setCellSpacing(0).setCellPadding(2)
.setBorder(1).setWidth("90%").setAlign("center");
if (s.isColor())
{
t.setBorder(1);
}
TR tr = new TR();
tr.addElement(new TH().addElement(
"Shopping Cart Items -- To Buy Now").setWidth("80%"));
tr.addElement(new TH().addElement("Price").setWidth("10%"));
tr.addElement(new TH().addElement("Quantity").setWidth("3%"));
tr.addElement(new TH().addElement("Total").setWidth("7%"));
t.addElement(tr);
tr = new TR();
tr
.addElement(new TD()
.addElement("Studio RTA - Laptop/Reading Cart with Tilting Surface - Cherry "));
tr.addElement(new TD().addElement("69.99").setAlign("right"));
tr.addElement(new TD().addElement(
new Input(Input.TEXT, "QTY1", s.getParser()
.getStringParameter("QTY1", "1")))
.setAlign("right"));
quantity = s.getParser().getFloatParameter("QTY1", 0.0f);
total = quantity * 69.99f;
runningTotal += total;
tr.addElement(new TD().addElement("$" + total));
t.addElement(tr);
tr = new TR();
tr.addElement(new TD()
.addElement("Dynex - Traditional Notebook Case"));
tr.addElement(new TD().addElement("27.99").setAlign("right"));
tr.addElement(new TD().addElement(
new Input(Input.TEXT, "QTY2", s.getParser()
.getStringParameter("QTY2", "1")))
.setAlign("right"));
quantity = s.getParser().getFloatParameter("QTY2", 0.0f);
total = quantity * 27.99f;
runningTotal += total;
tr.addElement(new TD().addElement("$" + total));
t.addElement(tr);
tr = new TR();
tr
.addElement(new TD()
.addElement("Hewlett-Packard - Pavilion Notebook with Intel Centrino"));
tr.addElement(new TD().addElement("1599.99").setAlign("right"));
tr.addElement(new TD().addElement(
new Input(Input.TEXT, "QTY3", s.getParser()
.getStringParameter("QTY3", "1")))
.setAlign("right"));
quantity = s.getParser().getFloatParameter("QTY3", 0.0f);
total = quantity * 1599.99f;
runningTotal += total;
tr.addElement(new TD().addElement("$" + total));
t.addElement(tr);
tr = new TR();
tr
.addElement(new TD()
.addElement("3 - Year Performance Service Plan $1000 and Over "));
tr.addElement(new TD().addElement("299.99").setAlign("right"));
tr.addElement(new TD().addElement(
new Input(Input.TEXT, "QTY4", s.getParser()
.getStringParameter("QTY4", "1")))
.setAlign("right"));
quantity = s.getParser().getFloatParameter("QTY4", 0.0f);
total = quantity * 299.99f;
runningTotal += total;
tr.addElement(new TD().addElement("$" + total));
t.addElement(tr);
ec.addElement(t);
t = new Table().setCellSpacing(0).setCellPadding(2).setBorder(0)
.setWidth("90%").setAlign("center");
if (s.isColor())
{
t.setBorder(1);
}
ec.addElement(new BR());
tr = new TR();
tr.addElement(new TD()
.addElement("The total charged to your credit card:"));
tr.addElement(new TD().addElement("$" + runningTotal));
tr.addElement(new TD().addElement(ECSFactory
.makeButton("Update Cart")));
t.addElement(tr);
tr = new TR();
tr.addElement(new TD().addElement("&nbsp;").setColSpan(2));
t.addElement(tr);
tr = new TR();
tr
.addElement(new TD()
.addElement("Enter your credit card number:"));
tr.addElement(new TD().addElement(new Input(Input.TEXT, "field2",
param2)));
t.addElement(tr);
tr = new TR();
tr.addElement(new TD()
.addElement("Enter your three digit access code:"));
tr.addElement(new TD().addElement("<input name='field1' type='TEXT' value='" + param1 + "'>"));
//tr.addElement(new TD().addElement(new Input(Input.TEXT, "field1",param1)));
t.addElement(tr);
Element b = ECSFactory.makeButton("Purchase");
tr = new TR();
tr.addElement(new TD().addElement(b).setColSpan(2).setAlign(
"center"));
t.addElement(tr);
ec.addElement(t);
ec.addElement(new BR());
ec.addElement(new HR().setWidth("90%"));
}
catch (Exception e)
{
s.setMessage("Error generating " + this.getClass().getName());
e.printStackTrace();
}
return (ec);
}
/**
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
protected Category getDefaultCategory()
{
return Category.XSS;
}
/**
* Gets the hints attribute of the AccessControlScreen object
*
* @return The hints value
*/
protected List<String> getHints(WebSession s)
{
List<String> hints = new ArrayList<String>();
hints
.add("A simple script is &lt;SCRIPT&gt;alert('bang!');&lt;/SCRIPT&gt;.");
hints.add("Can you get the script to disclose the JSESSIONID cookie?");
hints
.add("You can use &lt;SCRIPT&gt;alert(document.cookie);&lt;/SCRIPT&gt; to access the session id cookie");
hints
.add("Can you get the script to access the credit card form field?");
hints
.add("Try a cross site trace (XST) Command:<br>"
+ "&lt;script type=\"text/javascript\"&gt;if ( navigator.appName.indexOf(\"Microsoft\") !=-1)"
+ " {var xmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");xmlHttp.open(\"TRACE\", \"./\", false);"
+ " xmlHttp.send();str1=xmlHttp.responseText; while (str1.indexOf(\"\\n\") > -1) str1 = str1.replace(\"\\n\",\"&lt;br&gt;\"); "
+ "document.write(str1);}&lt;/script&gt;");
return hints;
}
// <script type="text/javascript">if ( navigator.appName.indexOf("Microsoft") !=-1) {var xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");xmlHttp.open("TRACE", "./", false); xmlHttp.send();str1=xmlHttp.responseText;document.write(str1);}</script>
/**
* Gets the instructions attribute of the WeakAccessControl object
*
* @return The instructions value
*/
public String getInstructions(WebSession s)
{
String instructions = "For this exercise, your mission is to come up with some input containing a script. You have to try to get this page to reflect that input back to your browser, which will execute the script and do something bad.";
return (instructions);
}
private final static Integer DEFAULT_RANKING = new Integer(120);
protected Integer getDefaultRanking()
{
return DEFAULT_RANKING;
}
/**
* Gets the title attribute of the AccessControlScreen object
*
* @return The title value
*/
public String getTitle()
{
return "Reflected XSS Attacks";
}
}