update to do CSRF-based comment forging

This commit is contained in:
Jason White 2017-10-12 18:17:48 -06:00
parent d0ec84e9a6
commit b03a32f92c
10 changed files with 452 additions and 25 deletions

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@ -17,7 +17,7 @@ import javax.servlet.http.HttpServletRequest;
*/ */
@AssignmentPath("/csrf/confirm-flag-1") @AssignmentPath("/csrf/confirm-flag-1")
@AssignmentHints({""}) @AssignmentHints({"csrf-get.hint1","csrf-get.hint2","csrf-get.hint3","csrf-get.hint4"})
public class CSRFConfirmFlag1 extends AssignmentEndpoint { public class CSRFConfirmFlag1 extends AssignmentEndpoint {
@Autowired @Autowired
@ -25,15 +25,11 @@ public class CSRFConfirmFlag1 extends AssignmentEndpoint {
@PostMapping(produces = {"application/json"}) @PostMapping(produces = {"application/json"})
public @ResponseBody AttackResult completed(String confirmFlagVal) { public @ResponseBody AttackResult completed(String confirmFlagVal) {
// String host = (req.getHeader("host") == null) ? "NULL" : req.getHeader("host");
// String origin = (req.getHeader("origin") == null) ? "NULL" : req.getHeader("origin");
// Integer serverPort = (req.getServerPort() < 1) ? 0 : req.getServerPort();
// String serverName = (req.getServerName() == null) ? "NULL" : req.getServerName();
// String referer = (req.getHeader("referer") == null) ? "NULL" : req.getHeader("referer");
if (confirmFlagVal.equals(userSessionData.getValue("csrf-get-success"))) { if (confirmFlagVal.equals(userSessionData.getValue("csrf-get-success").toString())) {
return success().feedback("csrf-get-success").output("Correct, the flag was " + userSessionData.getValue("csrf-get-success")).build(); return success().feedback("csrf-get-null-referer.success").output("Correct, the flag was " + userSessionData.getValue("csrf-get-success")).build();
} }
return failed().feedback("").build(); return failed().feedback("").build();
} }
} }

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@ -14,6 +14,7 @@ import javax.servlet.http.HttpServletResponse;
import java.io.IOException; import java.io.IOException;
import java.util.HashMap; import java.util.HashMap;
import java.util.Map; import java.util.Map;
import java.util.Random;
/** /**
* Created by jason on 9/30/17. * Created by jason on 9/30/17.
@ -33,14 +34,15 @@ public class CSRFGetFlag extends Endpoint {
Map<String,Object> response = new HashMap<>(); Map<String,Object> response = new HashMap<>();
String host = (req.getHeader("host") == null) ? "NULL" : req.getHeader("host"); String host = (req.getHeader("host") == null) ? "NULL" : req.getHeader("host");
String origin = (req.getHeader("origin") == null) ? "NULL" : req.getHeader("origin"); // String origin = (req.getHeader("origin") == null) ? "NULL" : req.getHeader("origin");
Integer serverPort = (req.getServerPort() < 1) ? 0 : req.getServerPort(); // Integer serverPort = (req.getServerPort() < 1) ? 0 : req.getServerPort();
String serverName = (req.getServerName() == null) ? "NULL" : req.getServerName(); // String serverName = (req.getServerName() == null) ? "NULL" : req.getServerName();
String referer = (req.getHeader("referer") == null) ? "NULL" : req.getHeader("referer"); String referer = (req.getHeader("referer") == null) ? "NULL" : req.getHeader("referer");
String[] refererArr = referer.split("/"); String[] refererArr = referer.split("/");
if (referer.equals("NULL") && req.getParameter("csrf").equals("true")) { if (referer.equals("NULL") && req.getParameter("csrf").equals("true")) {
userSessionData.setValue("csrf-get-success", Math.floor(Math.random()*100000)); Random random = new Random();
userSessionData.setValue("csrf-get-success", random.nextInt(65536));
response.put("success",true); response.put("success",true);
response.put("message",pluginMessages.getMessage("csrf-get-null-referer.success")); response.put("message",pluginMessages.getMessage("csrf-get-null-referer.success"));
response.put("flag",userSessionData.getValue("csrf-get-success")); response.put("flag",userSessionData.getValue("csrf-get-success"));
@ -49,9 +51,11 @@ public class CSRFGetFlag extends Endpoint {
response.put("message", "Appears the request came from the original host"); response.put("message", "Appears the request came from the original host");
response.put("flag", null); response.put("flag", null);
} else { } else {
response.put("success", false); Random random = new Random();
response.put("message", "TBD"); userSessionData.setValue("csrf-get-success", random.nextInt(65536));
response.put("flag", null); response.put("success",true);
response.put("message",pluginMessages.getMessage("csrf-get-other-referer.success"));
response.put("flag",userSessionData.getValue("csrf-get-success"));
} }
return response; return response;

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@ -0,0 +1,69 @@
package org.owasp.webgoat.plugin;
import org.owasp.webgoat.assignments.Endpoint;
import org.owasp.webgoat.i18n.PluginMessages;
import org.owasp.webgoat.session.UserSessionData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
/**
* Created by jason on 9/30/17.
*/
public class CSRFGetXhrFlag extends Endpoint {
@Autowired
UserSessionData userSessionData;
@Autowired
private PluginMessages pluginMessages;
@RequestMapping(produces = {"application/json"}, method = RequestMethod.GET)
@ResponseBody
public Map<String, Object> invoke(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
Map<String,Object> response = new HashMap<>();
String host = (req.getHeader("host") == null) ? "NULL" : req.getHeader("host");
// String origin = (req.getHeader("origin") == null) ? "NULL" : req.getHeader("origin");
// Integer serverPort = (req.getServerPort() < 1) ? 0 : req.getServerPort();
// String serverName = (req.getServerName() == null) ? "NULL" : req.getServerName();
String referer = (req.getHeader("referer") == null) ? "NULL" : req.getHeader("referer");
String[] refererArr = referer.split("/");
if (referer.equals("NULL") && req.getParameter("csrf").equals("true")) {
Random random = new Random();
userSessionData.setValue("csrf-get-success", random.nextInt(65536));
response.put("success",true);
response.put("message",pluginMessages.getMessage("csrf-get-null-referer.success"));
response.put("flag",userSessionData.getValue("csrf-get-success"));
} else if (refererArr[2].equals(host)) {
response.put("success", false);
response.put("message", "Appears the request came from the original host");
response.put("flag", null);
} else {
Random random = new Random();
userSessionData.setValue("csrf-get-success", random.nextInt(65536));
response.put("success",true);
response.put("message",pluginMessages.getMessage("csrf-get-other-referer.success"));
response.put("flag",userSessionData.getValue("csrf-get-success"));
}
return response;
}
@Override
public String getPath() {
return "/csrf/get-xhr-flag";
}
}

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@ -0,0 +1,139 @@
/***************************************************************************************************
*
*
* This file is part of WebGoat, an Open Web Application Security Project utility. For details,
* please see http://www.owasp.org/
*
* Copyright (c) 2002 - 20014 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 https://github.com/WebGoat/WebGoat, a repository for free software
* projects.
*
* For details, please see http://webgoat.github.io
*
* @author Bruce Mayhew <a href="http://code.google.com/p/webgoat">WebGoat</a>
* @created October 28, 2003
*/
package org.owasp.webgoat.plugin;
import com.beust.jcommander.internal.Lists;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.EvictingQueue;
import com.google.common.collect.Maps;
import org.apache.catalina.servlet4preview.http.HttpServletRequest;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.owasp.webgoat.assignments.AssignmentEndpoint;
import org.owasp.webgoat.assignments.AssignmentPath;
import org.owasp.webgoat.assignments.AttackResult;
import org.owasp.webgoat.session.WebSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;
import static org.springframework.http.MediaType.ALL_VALUE;
import static org.springframework.web.bind.annotation.RequestMethod.GET;
@AssignmentPath("/csrf/review")
public class ForgedReviews extends AssignmentEndpoint {
@Autowired
private WebSession webSession;
private static DateTimeFormatter fmt = DateTimeFormat.forPattern("yyyy-MM-dd, HH:mm:ss");
private static final Map<String, EvictingQueue<Review>> userReviews = Maps.newHashMap();
private static final EvictingQueue<Review> REVIEWS = EvictingQueue.create(100);
private static final String weakAntiCSRF = "2aa14227b9a13d0bede0388a7fba9aa9";
static {
REVIEWS.add(new Review("secUriTy", DateTime.now().toString(fmt), "This is like swiss cheese", 0));
REVIEWS.add(new Review("webgoat", DateTime.now().toString(fmt), "It works, sorta", 2));
REVIEWS.add(new Review("guest", DateTime.now().toString(fmt), "Best, App, Ever", 5));
REVIEWS.add(new Review("guest", DateTime.now().toString(fmt), "This app is so insecure, I didn't even post this review, can you pull that off too?",1));
}
@RequestMapping(method = GET, produces = MediaType.APPLICATION_JSON_VALUE,consumes = ALL_VALUE)
@ResponseBody
public Collection<Review> retrieveReviews() {
Collection<Review> allReviews = Lists.newArrayList();
Collection<Review> newReviews = userReviews.get(webSession.getUserName());
if (newReviews != null) {
allReviews.addAll(newReviews);
}
allReviews.addAll(REVIEWS);
return allReviews;
}
@RequestMapping(method = RequestMethod.POST)
@ResponseBody
public AttackResult createNewReview (String reviewText, Integer stars, String validateReq, HttpServletRequest request) throws IOException {
String host = (request.getHeader("host") == null) ? "NULL" : request.getHeader("host");
// String origin = (req.getHeader("origin") == null) ? "NULL" : req.getHeader("origin");
// Integer serverPort = (req.getServerPort() < 1) ? 0 : req.getServerPort();
// String serverName = (req.getServerName() == null) ? "NULL" : req.getServerName();
String referer = (request.getHeader("referer") == null) ? "NULL" : request.getHeader("referer");
String[] refererArr = referer.split("/");
EvictingQueue<Review> reviews = userReviews.getOrDefault(webSession.getUserName(), EvictingQueue.create(100));
Review review = new Review();
review.setText(reviewText);
review.setDateTime(DateTime.now().toString(fmt));
review.setUser(webSession.getUserName());
review.setStars(stars);
reviews.add(review);
userReviews.put(webSession.getUserName(), reviews);
//short-circuit
if (validateReq == null || !validateReq.equals(weakAntiCSRF)) {
return failed().feedback("csrf-you-forgot-something").build();
}
//we have the spoofed files
if (referer != "NULL" && refererArr[2].equals(host) ) {
return (failed().feedback("csrf-same-host").build());
} else {
return (success().feedback("csrf-review.success").build()); //feedback("xss-stored-comment-failure")
}
}
private Review parseJson(String comment) {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.readValue(comment, Review.class);
} catch (IOException e) {
return new Review();
}
}
}

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@ -0,0 +1,25 @@
package org.owasp.webgoat.plugin;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import javax.xml.bind.annotation.XmlRootElement;
/**
* @author nbaars
* @since 4/8/17.
*/
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@XmlRootElement
public class Review {
private String user;
private String dateTime;
private String text;
private Integer stars;
}

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@ -0,0 +1,75 @@
/* Component: Posts */
.post .post-heading {
height: 95px;
padding: 20px 15px;
}
.post .post-heading .avatar {
width: 60px;
height: 60px;
display: block;
margin-right: 15px;
}
.post .post-heading .meta .title {
margin-bottom: 0;
}
.post .post-heading .meta .title a {
color: black;
}
.post .post-heading .meta .title a:hover {
color: #aaaaaa;
}
.post .post-heading .meta .time {
margin-top: 8px;
color: #999;
}
.post .post-image .image {
width:20%;
height: 40%;
}
.post .post-description {
padding: 5px;
}
.post .post-footer {
border-top: 1px solid #ddd;
padding: 15px;
}
.post .post-footer .input-group-addon a {
color: #454545;
}
.post .post-footer .comments-list {
padding: 0;
margin-top: 20px;
list-style-type: none;
}
.post .post-footer .comments-list .comment {
display: block;
width: 100%;
margin: 20px 0;
}
.post .post-footer .comments-list .comment .avatar {
width: 35px;
height: 35px;
}
.post .post-footer .comments-list .comment .comment-heading {
display: block;
width: 100%;
}
.post .post-footer .comments-list .comment .comment-heading .user {
font-size: 14px;
font-weight: bold;
display: inline;
margin-top: 0;
margin-right: 10px;
}
.post .post-footer .comments-list .comment .comment-heading .time {
font-size: 12px;
color: #aaa;
margin-top: 0;
display: inline;
}
.post .post-footer .comments-list .comment .comment-body {
margin-left: 50px;
}
.post .post-footer .comments-list .comment > .comments-list {
margin-left: 50px;
}

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@ -22,14 +22,9 @@
<input type="submit" name="ubmit=" /> <input type="submit" name="ubmit=" />
</form> </form>
</div>
<div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:CSRF_Basic_Get-1.adoc"></div> <div class="adoc-content" th:replace="doc:CSRF_Basic_Get-1.adoc"></div>
<div class="attack-container"> <div class="attack-container">
<div class="assignment-success"> <div class="assignment-success">
<i class="fa fa-2 fa-check hidden" aria-hidden="true"> <i class="fa fa-2 fa-check hidden" aria-hidden="true">
@ -38,11 +33,11 @@
<form class="attack-form" accept-charset="UNKNOWN" id="confirm-flag-1" <form class="attack-form" accept-charset="UNKNOWN" id="confirm-flag-1"
method="POST" name="form2" method="POST" name="form2"
successCallback="" successCallback=""
action="/WebGoat/csrf/basic-confirm-flag" action="/WebGoat/csrf/confirm-flag-1"
enctype="application/json;charset=UTF-8"> enctype="application/json;charset=UTF-8">
Confirm Flag Value: Confirm Flag Value:
<input type="text" length="6" name="confirmFlagVal" value="false" /> <input type="text" length="6" name="confirmFlagVal" value="" />
<input name="submit" value="Submit" type="submit"/> <input name="submit" value="Submit" type="submit"/>
@ -52,6 +47,73 @@
<div class="attack-output"></div> <div class="attack-output"></div>
</div> </div>
</div> </div>
<div class="lesson-page-wrapper">
<!--<div class="adoc-content" th:replace="doc:CrossSiteScripting_content7b.adoc"></div>-->
<!-- comment area -->
<link rel="stylesheet" type="text/css" th:href="@{/lesson_css/reviews.css}"/>
<script th:src="@{/lesson_js/csrf-review.js}" language="JavaScript"></script>
<div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
<div class="container-fluid">
<div class="panel post">
<div class="post-heading">
<div class="pull-left image">
<img th:src="@{/images/avatar1.png}"
class="img-circle avatar" alt="user profile image"/>
</div>
<div class="pull-left meta">
<div class="title h5">
<a href="#"><b>John Doe</b></a>
is selling this poster, read reviews below.
</div>
<h6 class="text-muted time">24 days ago</h6>
</div>
</div>
<div class="post-image">
<img th:src="@{images/cat.jpg}" class="image" alt="image post"/>
</div>
<div class="post-description">
</div>
<div class="attack-container">
<div class="post-footer">
<div class="input-group">
<form class="attack-form" accept-charset="UNKNOWN" id="csrf-review"
method="POST" name="review-form"
successCallback=""
action="/WebGoat/csrf/review">
<input class="form-control" id="reviewText" name="reviewText" placeholder="Add a Review" type="text"/>
<input class="form-control" id="reviewStars" name="stars" type="text" />
<input type="hidden" name="validateReq" value="2aa14227b9a13d0bede0388a7fba9aa9" />
<input type="submit" name="submit" value="Submit review"/>
</form>
<div class="attack-feedback"></div>
<div class="attack-output"></div>
<!--<span class="input-group-addon">-->
<!--<i id="postReview" class="fa fa-edit" style="font-size: 20px"></i>-->
<!--</span>-->
</div>
<ul class="comments-list">
<div id="list">
</div>
</ul>
</div>
</div>
</div>
</div>
<!-- end comments -->
</div>
<!--</div>--> <!--</div>-->
</html> </html>

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@ -1,4 +1,15 @@
csrf.title=Cross-Site Request Forgeries csrf.title=Cross-Site Request Forgeries
csrf-get-null-referer.success=Congratulations! Appears you made the request from your local machine. csrf-get-null-referer.success=Congratulations! Appears you made the request from your local machine.
csrf-get-other-referer.successfeedback=Congratulations! Appears you made the request from\ csrf-get-other-referer.success=Congratulations! Appears you made the request from a separate host.
csrf-get.hint1=The form has hidden inputs.
csrf-get.hint2=You will need to use an external page and/or script to trigger it.
csrf-get.hint3=Try creating a local page or one that is uploaded and points to this form as its action.
csrf-get.hint4=The trigger can be manual or scripted to happen automatically
csrf-same-host=It appears your request is coming from the same host you are submitting to.
csrf-you-forgot-something=There's something missing from your request it appears, so I can't process it.
csrf-review.success=It appears you have submitted correctly from another site. Go reload and see if your post is there.

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@ -0,0 +1,46 @@
$(document).ready(function () {
// $("#postReview").on("click", function () {
// var commentInput = $("#reviewInput").val();
// $.ajax({
// type: 'POST',
// url: 'csrf/review',
// data: JSON.stringify({text: commentInput}),
// contentType: "application/json",
// dataType: 'json'
// }).then(
// function () {
// getChallenges();
// $("#commentInput").val('');
// }
// )
// });
var html = '<li class="comment">' +
'<div class="pull-left">' +
'<img class="avatar" src="images/avatar1.png" alt="avatar"/>' +
'</div>' +
'<div class="comment-body">' +
'<div class="comment-heading">' +
'<h4 class="user">USER / STARS stars</h4>' +
'<h5 class="time">DATETIME</h5>' +
'</div>' +
'<p>COMMENT</p>' +
'</div>' +
'</li>';
getChallenges();
function getChallenges() {
$("#list").empty();
$.get('csrf/review', function (result, status) {
for (var i = 0; i < result.length; i++) {
var comment = html.replace('USER', result[i].user);
comment = comment.replace('DATETIME', result[i].dateTime);
comment = comment.replace('COMMENT', result[i].text);
comment = comment.replace('STARS', result[i].stars)
$("#list").append(comment);
}
});
}
})

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@ -1,4 +1,4 @@
== Basic Get CSRF Exercise == Basic Get CSRF Exercise
place holder ... Trigger the form below from an external source while logged in. The response will include a 'flag' (a numeric value).