477bcbdcc0
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79 lines
3.4 KiB
Text
Executable file
79 lines
3.4 KiB
Text
Executable file
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# GulfTech Security Research August 18, 2008
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##########################################################
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# Vendor : Turnkey Web Tools, Inc
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# URL : http://www.turnkeywebtools.com
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# Version : SunShop <= 4.1.4
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# Risk : SQL Injection
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##########################################################
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Description:
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SunShop shopping cart is a full featured ecommerce solution written
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in php that allows for web masters to run their own online ecommerce
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operation. Unfortunately there are a number of SQL Injection issues
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in SunShop that allow for an attacker to have arbitrary access to the
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SunShop database where they can access information such as customer
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and administrator details. An updated version of SunShop has been
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released to address these issues, and users should upgrade soon.
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SQL Injection:
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There are quite a few SQL Injection issues within SunShop that for an
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attacker to have arbitrary access to the SunShop database. The first
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example we will have a look at is in class.ajax.php @ lines 348-362
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function edit_registry ($id="") {
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global $DB_site, $dbprefix, $settings, $lang, $sess;
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$data = $DB_site->query_first("SELECT * FROM `".$dbprefix."users_registry`
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WHERE id='".$_POST[id]."' AND userid='".$sess->gvar('userid')."'");
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$data = filter_data($data);
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$out = 'document.getElementById(\'wishform\').style.display = \'none\';';
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$out .= 'document.getElementById(\'wisheditform\').style.display = \'block\';';
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$out .= 'form = document.forms[\'edit_registry\'];';
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$out .= 'form.elements[\'event[id]\'].value = \''.js_clean($data[id]).'\';';
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$out .= 'form.elements[\'event[name]\'].value = \''.js_clean($data[name]).'\';';
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$out .= 'form.elements[\'event[desc]\'].value = \''.js_clean($data[description]).'\';';
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$out .= 'form.elements[\'event[month]\'].selectedIndex = '.(date('m',
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strtotime($data['date']))-1).';';
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$out .= 'form.elements[\'event[day]\'].selectedIndex = '.(date('d',
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strtotime($data['date']))-1).';';
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$out .= 'form.elements[\'event[year]\'].selectedIndex = '.((date('Y',
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strtotime($data['date'])))-date('Y')).';';
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return $out;
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}
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As seen above the SQL Injection issue here is pretty straight forward
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and is a result of a $_POST variable being used in the middle of the
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query. An attacker could exploit this SQL Injection issue by making a
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post request to "/index.php?l=edit_registry&p=1" with the following
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post data.
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id=-99' UNION SELECT 1,2,3,concat(username,char(58),password),5,6 FROM ss_users/*
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Upon successful exploitation an attacker would be presented with the
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targeted credentials. In addition to this SQL Injection are several more
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SQL Injection issues within class.ajax.php and can be found at lines 77,
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113, 138 (via the check_email() function), 349, 374, and 400. With the
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exception of the issue @ line 138 these issues are very easily identified as they use GPC variables directly within SQL queries.
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Solution:
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The TurnKeyWebTools developers have addressed these issues in the latest
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version of SunShop which can be found at the following url.
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http://www.turnkeywebtools.com/esupport/index.php?_m=news&_a=viewnews&newsid=63
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Credits:
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James Bercegay of the GulfTech Security Research Team
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Related Info:
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The original advisory can be found at the following location
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http://www.gulftech.org/?node=research&article_id=00125-08182008
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# milw0rm.com [2008-08-19]
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