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AccessControlMatrix.html
BackDoors.html
BasicAuthentication.html
BlindSqlInjection.html
CSRF.html
ClientSideFiltering.html
ClientSideValidation.html
CommandInjection.html
ConcurrencyCart.html
DOMInjection.html
DOMXSS.html
DOS_Login.html
DangerousEval.html
Encoding.html
FailOpenAuthentication.html
ForcedBrowsing.html
ForgotPassword.html
HiddenFieldTampering.html
HtmlClues.html
HttpBasics.html
HttpOnly.html
HttpSplitting.html
JSONInjection.html
JavaScriptValidation.html
LogSpoofing.html
PasswordStrength.html
PathBasedAccessControl.html
Phishing.html
ReflectedXSS.html
RemoteAdminFlaw.html
SilentTransactions.html
SoapRequest.html
SqlNumericInjection.html
SqlStringInjection.html
StoredXss.html
ThreadSafetyProblem.html
TraceXSS.html
UncheckedEmail.html
WSDLScanning.html
WeakAuthenticationCookie.html
WeakSessionID.html
WsSAXInjection.html
WsSqlInjection.html
XMLInjection.html
XPATHInjection.html
formate.css
lessons
users
main.jsp
sideWindow.jsp
webgoat.jsp
webgoat_challenge.jsp
config
doc
build.xml
Eclipse-Workspace.zip
HOW TO create the WebGoat workspace.txt
build.xml
eclipse.bat
readme.txt
webgoat for SQL Server.bat
webgoat.bat
webgoat.sh
webgoat_8080.bat
webscarab.bat
WebGoat/main/project/WebContent/lesson_solutions/CommandInjection.html
wirth.marcel 5d930ec235 * Hints added
* Solutions added
* Bugfixes
* Introduction added (including how to start with webgoat and useful tools)
* New lesson: Password strength
* New lessons: Multi Level Login
* Not yet working new lesson: Session fixation (inital release)

git-svn-id: http://webgoat.googlecode.com/svn/trunk/webgoat@301 4033779f-a91e-0410-96ef-6bf7bf53c507
2008-04-07 14:28:38 +00:00

739 lines
34 KiB
HTML
Raw Blame History

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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 Command Injection <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"'>Concept / Topic To Teach: </span></b><span
style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Command
injection attacks represent a serious threat to any parameter-driven site. The methods
behind an attack are easy to learn and the damage caused can range from
considerable to complete system compromise. Despite these risks an incredible
number of systems on the internet are susceptible to this form of attack. <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"'>Not only is
it a threat easily instigated, it is also a threat that, with a little
common-sense and forethought, can be almost totally prevented. This lesson will
show the student several examples of parameter injection.<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"'>It is always
good practice to sanitize all input data, especially data that will used in OS
command, scripts, and database queries.<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"'>The user
should be able to execute any command on the hosting OS.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
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<p class=MsoCaption>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'>1</span><!--[if supportFields]><span style='mso-element:
field-end'></span><![endif]--> Lesson 16<span style='font-family:"Arial","sans-serif"'><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"'>Select a
lesson from the drop-down box and click on "View".<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
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style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
<p><span style='font-family:"Arial","sans-serif"'>Intercept the
request with WebScarab when you click on "View". Append " &amp; netstat &minus;an
&amp; ipconfig"to the HelpFile parameter. Do not forget the double quote!<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
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<p class=MsoCaption>Figure <!--[if supportFields]><span style='mso-element:
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<span style='mso-element:field-separator'></span><![endif]--><span
style='mso-no-proof:yes'>2</span><!--[if supportFields]><span style='mso-element:
field-end'></span><![endif]--> Injecting command netstat &amp; ipconfig</p>
<p class=MsoNormal><o:p>&nbsp;</o:p></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>The result
contains the output of the command netstat and ipconfig.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>
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<p class=MsoCaption>Figure <!--[if supportFields]><span style='mso-element:
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<span style='mso-element:field-separator'></span><![endif]--><span
style='mso-no-proof:yes'>3</span><!--[if supportFields]><span style='mso-element:
field-end'></span><![endif]--> Command Injection results<span style='font-family:
"Arial","sans-serif"'><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><o:p>&nbsp;</o:p></p>
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<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>
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