WebGoat/webgoat/main/project/WebContent/lesson_solutions/Lab Access Control/Lab Bypass Business Layer Access Control.html
wirth.marcel e2ca7f9a33 Minor Bugfixes
git-svn-id: http://webgoat.googlecode.com/svn/trunk@338 4033779f-a91e-0410-96ef-6bf7bf53c507
2008-04-14 13:28:25 +00:00

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Solution Lab Role Based Access Control Stage1</title>
<link rel="stylesheet" type="text/css" href="/WebGoat/lesson_solutions/formate.css">
</head>
<body>
<p><b>Lesson Plan Title:</b> How to Perform Cross Site Scripting (XSS)</p>
<p><b>Concept / Topic To Teach:</b><br/>
In role-based access control scheme, a role represents
a set of access permissions and privileges. A user can be
assigned one or more roles. A role-based access control
normally consists of two parts: role permission management
and role assignment. A broken role-based access
control scheme might allow a user to perform accesses
that are not allowed by his/her assigned roles, or
somehow obtain unauthorized roles.
</p>
<p><b>General Goal(s):</b><br/>
Your goal is to explore the access control
rules that govern this site. Each role has permission to
certain resources (A-F). Each user is assigned one or more roles.
Only the user with the [Admin] role should have access
to the 'F' resources. In a successful attack, a user doesn't
have the [Admin] role can access resource F.
</p>
<p>
<b>Solution:</b><br/>
To solve this exercise you have to know the name of the action, which
deletes employees. Of course you could just guess
it because it has a really logical name.
But we will look it up. So your first step is to log in as John with john as
password. Use WebScarab to intercept the delete request.
<img src="/WebGoat/lesson_solutions/Lab Access Control/images/access_control_stage1.png" width=450px alt="deleteAction" />
As you can see the delete action is called DeleteProfile.
Now log in as Tom. Click in the list on his name and make sure WebScarab
will intercept the next request. Click on a button, for example the
'ViewProfile' button. Change in WebScarab the action to DeleteProfile
and you are done!
</body>
</html>