bugtraq - [MajorSecurity Advisory #28]ConPresso CMS - Multiple Cross Site Scripting and SQL Injection Issues

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Date: 29 Sep 2006 13:53:54 -0000
From: admin@...orsecurity.de
To: bugtraq@...urityfocus.com
Subject: [MajorSecurity Advisory #28]ConPresso CMS - Multiple Cross Site
 Scripting and SQL Injection Issues

[MajorSecurity Advisory #28]ConPresso CMS - Multiple XSS and SQL Injection Issues

Details
=======
Product: ConPresso CMS
Affected Version: <=4.0.4a 
Immune Version: 4.0.5a
Security-Risk: moderated
Remote-Exploit: yes
Vendor-URL: http://www.conpresso.com/
Vendor-Status: informed
Advisory-Status: published

Credits
============
Discovered by: David Vieira-Kurz
http://www.majorsecurity.de

Original Advisory:
============
http://www.majorsecurity.de/index_2.php?major_rls=major_rls28

Introduction
============
ConPresso CMS is a well known content management system.

More Details
============
XSS:
Input passed directly to the "nr" parameter in "detail.php", the "msg" parameter in "db_mysql.inc.php" and the "pos" parameter in "index.php" is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

SQL injection:
Input passed directly to the "nr" parameter in "index.php" is not properly sanitised before being used in a SQL query.
This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Fix
===
Upgrade to newest version(4.0.5a)

Solution
=============
Edit the source code to ensure that input is properly sanitised.
You should work with "htmlspecialchars()" or "htmlentities()" php-function to ensure that html tags
are not going to be executed. You should also work with the  "mysql_real_escape_string()" or "addslashes()" php-function to ensure that sql statements
can't be delivered over the "get" variables. Further it is recommend to set off the "register globals" option in the
"php.ini" on your webserver.

Example:
<?php
  $pass = htmlentities($_POST['pass']);
  $test = htmlspecialchars($_GET('test'));
  $id = intval($_POST['id']);
?>

History/Timeline
================
30.07.2006  discovery of the vulnerability
02.08.2006  additional tests with other versions
03.08.2006  contacted the vendor
04.08.2006  the vendor contacted me(response)
05.08.2006  vendor confirmed the bugs
19.09.2006  new(fixed) version 4.0.5a is available
26.09.2006  advisory is written
29.09.2006  advisory released

MajorSecurity
=======
MajorSecurity is a German penetration testing and hacking security project
which consists of only one person at the present time.
I am looking for a partnership.
You can find more Information on the MajorSecurity Project at
http://www.majorsecurity.de/