477bcbdcc0
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66 lines
2.6 KiB
Text
Executable file
66 lines
2.6 KiB
Text
Executable file
##########################################################
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# GulfTech Security Research July 28, 2008
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##########################################################
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# Vendor : ViArt, Ltd
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# URL : http://www.viart.com/
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# Version : ViArt Shop <= 3.5
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# Risk : SQL Injection
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##########################################################
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Description:
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ViArt Shop is a full featured online ecommerce solution written
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in php. There is a high risk SQL Injection in ViArt that allows
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for an attacker to take over the ViArt installation. This
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vulnerability is present regardless of magic_quotes configuration.
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An updated version of ViArt has been released and all users are
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encouraged to upgrade their ViArt installation as soon as possible.
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SQL Injection:
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There is a high risk SQL Injection vulnerability in ViArt that
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allows for an attacker to run arbitrary queries via a malicious
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request. The vulnerable code can be found in "products_rss.php".
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As seen below the "$category_id" variable is never sanitized within
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the query, and is never sanitized prior to that point either.
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if ($category_id == 0){
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$sql = "SELECT category_id, friendly_url FROM " . $table_prefix . "categories WHERE category_path like '%".$category_id.",%' AND is_showing = 1 ";
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} else {
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$sql = "SELECT category_id, friendly_url FROM " . $table_prefix . "categories WHERE category_path like '%,".$category_id.",%' AND is_showing = 1 ";
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}
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This allows for an attacker to easily select arbitrary data
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from the database such as usernames,passwords, and even credit
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card information. it should also be noted that ViArt strips
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slashes from within the get_param() function, so magic_quotes
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does not prevent this SQL Injection from happening.
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/products_rss.php?category_id=1' UNION SELECT concat(login,char(58),password),0 FROM va_admins -- /*
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A url like the one above will successfully grab the admin info
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from the database, and then attempt to use the admin data in a
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query, where it will then error. Still, the admin credentials
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will be displayed in the SQL Error as part of the faulty query
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and visible to the attacker. It is also worth mentioning that
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ViArt stores all credentials in plain text, so once an attacker
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has the credentials he is guaranteed access to the application.
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Solution:
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The ViArt developers have released a patch for the vulnerable
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ViArt 3.5. Users are encouraged t upgrade as soon as possible.
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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=00118-07292008
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# milw0rm.com [2008-07-28]
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