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
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rogan.dawes
2008-01-14 14:02:11 +00:00
commit b0b94c4688
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<div align="Center">
<p><b>Lesson Plan Title:</b> How to Spoof an Authentication Cookie </p>
</div>
<p><b>Concept / Topic To Teach:</b> </p>
<!-- Start Instructions -->
Many applications will automatically log a user into their site if the right authentication cookie is specified. &nbsp; Some times the cookie values can be guessed if the algorithm for generating the cookie can be obtained. &nbsp;Some times the cookies are left on the client machine and can be stolen by exploiting another system vulnerability. &nbsp;Some times the cookies maybe intercepted using Cross site scripting. &nbsp;This lesson tries to make the student aware of authentication cookies and presents the student with a way to defeat the cookie authentication method in this lesson.<br>
<!-- Stop Instructions -->
<p><b>General Goal(s):</b> </p>
The user should be able to bypass the authentication check.