update to do CSRF-based comment forging

webgoat-lessons/csrf/src/main/java/org/owasp/webgoat/plugin/CSRFConfirmFlag1.java

@@ -17,7 +17,7 @@ import javax.servlet.http.HttpServletRequest;
  */
 
 @AssignmentPath("/csrf/confirm-flag-1")
-@AssignmentHints({""})
+@AssignmentHints({"csrf-get.hint1","csrf-get.hint2","csrf-get.hint3","csrf-get.hint4"})
 public class CSRFConfirmFlag1 extends AssignmentEndpoint {
 
     @Autowired
@@ -25,15 +25,11 @@ public class CSRFConfirmFlag1 extends AssignmentEndpoint {
 
     @PostMapping(produces = {"application/json"})
     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();
     }
 }

webgoat-lessons/csrf/src/main/java/org/owasp/webgoat/plugin/CSRFGetFlag.java

@@ -14,6 +14,7 @@ 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.
@@ -33,14 +34,15 @@ public class CSRFGetFlag extends Endpoint {
         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");
+//        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[] refererArr = referer.split("/");
 
         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("message",pluginMessages.getMessage("csrf-get-null-referer.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("flag", null);
         } 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;

webgoat-lessons/csrf/src/main/java/org/owasp/webgoat/plugin/CSRFGetXhrFlag.java

@@ -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";
+    }
+}

webgoat-lessons/csrf/src/main/java/org/owasp/webgoat/plugin/ForgedReviews.java

@@ -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();
+        }
+    }
+}
+
+
+
+
+

webgoat-lessons/csrf/src/main/java/org/owasp/webgoat/plugin/Review.java

@@ -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;
+}
+

webgoat-lessons/csrf/src/main/resources/css/reviews.css

@@ -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;
+}

webgoat-lessons/csrf/src/main/resources/html/CSRF.html

@@ -22,14 +22,9 @@
             <input type="submit" name="ubmit=" />
 
         </form>
-    </div>
-
-    <div class="lesson-page-wrapper">
 
         <div class="adoc-content" th:replace="doc:CSRF_Basic_Get-1.adoc"></div>
 
-
-
         <div class="attack-container">
             <div class="assignment-success">
                     <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"
                       method="POST" name="form2"
                       successCallback=""
-                      action="/WebGoat/csrf/basic-confirm-flag"
+                      action="/WebGoat/csrf/confirm-flag-1"
                       enctype="application/json;charset=UTF-8">
 
                     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"/>
 
@@ -52,6 +47,73 @@
             <div class="attack-output"></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>-->
 
 </html>

webgoat-lessons/csrf/src/main/resources/i18n/WebGoatLabels.properties

@@ -1,4 +1,15 @@
 csrf.title=Cross-Site Request Forgeries
 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.

webgoat-lessons/csrf/src/main/resources/js/csrf-review.js

@@ -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);
+            }
+
+        });
+    }
+})

webgoat-lessons/csrf/src/main/resources/lessonPlans/en/CSRF_Get_Flag.adoc

@@ -1,4 +1,4 @@
 == 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).