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Re: [Full-disclosure] XSS Vulnerabilities in LabWiki
From: Henri Salo <henri () nerv fi>
Date: Fri, 24 Aug 2012 00:18:38 +0300

On Wed, Aug 22, 2012 at 12:32:29PM +0300, Netsparker Advisories wrote:
Information
--------------------
Name :  XSS Vulnerabilities in LabWiki
Software :  LabWiki 1.5 and possibly below.
Vendor Homepage :  http://www.bioinformatics.org/phplabware/labwiki/index.php
Vulnerability Type :  Cross-Site Scripting
Severity :  Critical
Researcher :  Canberk Bolat
Advisory Reference :  NS-12-008

Description
--------------------
This wiki is powered by Qwiki Wiki, a minimalist PHP wiki engine
originally developed by David Barrett, that uses plain text files to
store data. The 'engine' is used to edit the data as well as to format
it and present it as a web page. Significant modifications were done
to the codes of this wiki for bugs and enhancements (XHTML compliance,
UTF-8 encoding, backup maintainance, page deletion, etc.) by Santosh
Patnaik (SP) who also largely seeded the wiki with new and old
(non-wiki) documents.

Details
--------------------
LabWiki is affected by XSS vulnerabilities in version 1.5. Example PoC
urls are as follows :

http://example.com/recentchanges.php?page_no='"--></style></script><script>alert(0x00039E)</script>&nothing=nothing
http://example.com/index.php?page=What_is_wiki&from='"--></style></script><script>alert(0x0001C7)</script>

You can read the full article about Cross-Site Scripting vulnerability
from here :

Cross-site Scripting: http://www.mavitunasecurity.com/crosssite-scripting-xss/

Solution
--------------------
No patch released.

Advisory Timeline
--------------------
15/11/2011 - First contact: No response
01/01/2012 - Second contact: No response
22/08/2012 - Advisory Released

Credits
--------------------
It has been discovered on testing of Netsparker, Web Application
Security Scanner - http://www.mavitunasecurity.com/netsparker/.

References
--------------------
MSL Advisory Link :
http://www.mavitunasecurity.com/xss-vulnerabilities-in-labwiki/
Netsparker Advisories : http://www.mavitunasecurity.com/netsparker-advisories/

About Netsparker
--------------------
Netsparker® can find and report security issues such as SQL Injection
and Cross-site Scripting (XSS) in all web applications regardless of
the platform and the technology they are built on. Netsparker's unique
detection and exploitation techniques allows it to be dead accurate in
reporting hence it's the first and the only False Positive Free web
application security scanner.

-- 
Netsparker Advisories, <advisories () mavitunasecurity com>
Homepage, http://www.mavitunasecurity.com/netsparker-advisories/

This looks a lot like what muuratsalo has discovered some time ago: http://osvdb.org/show/osvdb/76934 (there is more 
similar issues in OSVDB if you use advanced search). If I remember correctly from muuratsalo's emails he did get 
contact to vendor, but vendor did not fix all issues and wasn't co-operative in discussion.

Do you think NS-12-007 and NS-12-008 are new issues? If so we should request CVE-identifiers if these differ a lot of 
other XSS-issues. At the point where vendor does not fix issues like these nor reply I would say that people shouldn't 
be using the software at all.

- Henri Salo


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