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Radexscript CMS 2.2.0 SQL Injection

Radexscript CMS 2.2.0 SQL Injection
Posted Feb 9, 2015
Authored by Pham Kien Cuong

Radexscript CMS version 2.2.0 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
advisories | CVE-2015-1518
MD5 | 06935fceb072b9d40d92922644ce60a8

Radexscript CMS 2.2.0 SQL Injection

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#Vulnerability title: Radexscript CMS 2.2.0 - SQL Injection vulnerability
#Vendor: http://redaxscript.com/
#Product: Radexscript CMS
#Software link: http://redaxscript.com/download/releases
#Affected version: Redaxscript 2.2.0
#Fixed version: Redaxscript 2.3.0
#CVE ID: CVE-2015-1518
#Author: Pham Kien Cuong (cuong.k.pham@itas.vn) & ITAS Team (www.itas.vn)



:: PROOF OF CONCEPT ::

POST /redaxscript/ HTTP/1.1
Host: target.local
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101
Firefox/34.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=khtnnm1tvvk3s12if0no367872;
GEAR=local-5422433b500446ead50002d4
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 96

search_terms=[SQL INJECTION
HERE]&search_post=&token=24bcb285bc6f5c93203e4f95d9f2008331faf294&search_pos
t=Search



- Vulnerable parameter: $search_terms
- Vulnerable file: redaxscript/includes/search.php
- Vulnerable function: search_post()

- Vulnerable code:
function search_post()
{
/* clean post */

if (ATTACK_BLOCKED < 10)
{
$search_terms = clean($_POST['search_terms'], 5);
}

/* validate post */

if (strlen($search_terms) < 3 || $search_terms == l('search_terms'))
{
$error = l('input_incorrect');
}

/* query results */

else
{
$search = array_filter(explode(' ', $search_terms));
$search_keys = array_keys($search);
$last = end($search_keys);

/* query search */

$query = 'SELECT id, title, alias, description, date,
category, access FROM ' . PREFIX . 'articles WHERE (language = \'' .
Redaxscript\Registry::get('language') . '\' || language = \'\') && status =
1';
if ($search)
{
$query .= ' && (';
foreach ($search as $key => $value)
{

$query .= 'title LIKE \'%' . $value . '%\'
|| description LIKE \'%' . $value . '%\' || keywords LIKE \'%' . $value .
'%\' || text LIKE \'%' . $value . '%\'';
if ($last != $key)
{
$query .= ' || ';
}
}
$query .= ')';
}
$query .= ' ORDER BY date DESC LIMIT 50';
$result =
Redaxscript\Db::forTablePrefix('articles')->rawQuery($query)->findArray();
$num_rows = count($result);
if ($result == '' || $num_rows == '')
{
$error = l('search_no');
}

/* collect output */

else if ($result)
{
$accessValidator = new
Redaxscript\Validator\Access();
$output = '<h2 class="title_content
title_search_result">' . l('search') . '</h2>';
$output .= form_element('fieldset', '',
'set_search_result', '', '', '<span class="title_content_sub
title_search_result_sub">' . l('articles') . '</span>') . '<ol
class="list_search_result">';
foreach ($result as $r)
{
$access = $r['access'];

/* if access granted */

if ($accessValidator->validate($access,
MY_GROUPS) === Redaxscript\Validator\Validator::PASSED)
{
if ($r)
{
foreach ($r as $key =>
$value)
{
$$key =
stripslashes($value);
}
}

/* prepare metadata */

if ($description == '')
{
$description = $title;
}
$date = date(s('date'),
strtotime($date));

/* build route */

if ($category == 0)
{
$route = $alias;
}
else
{
$route =
build_route('articles', $id);
}

/* collect item output */

$output .= '<li
class="item_search_result">' . anchor_element('internal', '',
'link_search_result', $title, $route, $description) . '<span
class="date_search_result">' . $date . '</span></li>';
}
else
{
$counter++;
}
}
$output .= '</ol></fieldset>';

/* handle access */

if ($num_rows == $counter)
{
$error = l('access_no');
}
}
}

/* handle error */

if ($error)
{
notification(l('something_wrong'), $error);
}
else
{
echo $output;
}
}


:: SOLUTION ::
Update to Redaxscript 2.3.0

:: INFORMATION DISCLOSURE ::
- 11/27/2014: Inform the vendor
- 11/28/2014: Vendor confirmed
- 01/29/2015: Vendor releases patch
- 01/05/2015: ITAS Team publishes information


:: REFERENCE ::
-
http://www.itas.vn/news/itas-team-found-out-a-sql-injection-vulnerability-in
-redaxscript-2-2-0-cms-75.html

::COPYRIGHT::
Copyright (c) ITAS CORP 2014, All rights reserved worldwide. Permission is
hereby granted for the electronic redistribution of this information. It is
not to be edited or altered in any way without the express written consent
of ITAS CORP (www.itas.vn).

:: DISCLAIMER ::
THE INFORMATION PRESENTED HEREIN ARE PROVIDED ?AS IS? WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, ANY
IMPLIED WARRANTIES AND MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
OR WARRANTIES OF QUALITY OR COMPLETENESS. THE INFORMATION PRESENTED HERE IS
A SERVICE TO THE SECURITY COMMUNITY AND THE PRODUCT VENDORS. ANY APPLICATION
OR DISTRIBUTION OF THIS INFORMATION CONSTITUTES ACCEPTANCE ACCEPTANCE AS IS,
AND AT THE USER'S OWN RISK.



Best Regards,
----------------------------------------------------------------------------
----------------
ITAS Team (www.itas.vn)
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