WordPress Simple Login Log 1.1.1 SQL Injection

`A A A A A A A A A A A A DefenseCode ThunderScan SAST Advisory  
A A A A WordPress Simple Login Log Plugin Multiple SQL Injection  
A A A A A A A A A A A A A A A A A Security Vulnerabilities  
  
  
Advisory ID:A A A DC-2017-01-013  
Advisory Title: WordPress Simple Login Log Plugin Multiple SQL  
A Injection Security Vulnerabilities  
Advisory URL:A A http://www.defensecode.com/advisories.php  
Software:A A A A A A WordPress Simple Login Log plugin  
Language:A A A A A A PHP  
Version:A A A A A A A 1.1.1 and below  
Vendor Status:A Vendor contacted, update released  
Release Date:A A 2017/10/10  
Risk:A A A A A A A A A A High  
  
  
  
1. General Overview  
===================  
During the security audit of Simple Login Log plugin for WordPress CMS  
multiple vulnerabilities were discovered using DefenseCode ThunderScan  
application source code security analysis platform.  
  
More information about ThunderScan is available at URL:  
http://www.defensecode.com  
  
  
2. Software Overview  
====================  
According to the authors, this plugin keeps a log of WordPress user  
logins. It offers user and date filtering, and export features.  
  
According to wordpress.org, it has more than 20,000 active installs.  
  
Homepage:  
https://wordpress.org/plugins/simple-login-log/  
  
  
3. Vulnerability Description  
============================  
During the security analysis, ThunderScan discovered two SQL injection  
vulnerabilities in Simple Login Log WordPress plugin.  
  
The easiest way to reproduce the vulnerabilities is to visit the  
provided URL while being logged in as administrator or another user  
that is authorized to access the plugin settings page. Users that do  
not have full administrative privileges could abuse the database  
access the vulnerability provides to either escalate their privileges  
or obtain and modify database contents they were not supposed to be  
able to.  
  
Due to the missing nonce token, the attacker the vulnerable code is  
also directly exposed to attack vectors such as Cross Site request  
forgery (CSRF).  
  
3.1. SQL injection  
A Function:A A A A $wpdb->get_results($sql, 'ARRAY_A')  
A Variable:A A A A $_REQUEST['orderby']  
A Sample URL:A A   
http://vulnerablesite.com/wp-admin/users.php?page=login_log&orderby=1+AND+SLEEP%285%29  
A Note:A A A A A A A A Sample URL only works if there is more than one entry in  
SQL response  
A File:A A A A A A A A simple-login-log\simple-login-log.php  
A A A ---------  
A A A 949 $orderby = (isset($_REQUEST['orderby']) &&  
!empty($_REQUEST['orderby'])) ? $_REQUEST['orderby'] : false;  
A A A ...  
A A A 527 $sql = "SELECT * FROM $this->table" . $where . " ORDER BY  
{$orderby} {$order} " . 'LIMIT ' . $limit . ' OFFSET ' . $offset;  
A A A ---------  
  
3.2. SQL injection  
A Function:A A A A $wpdb->get_results($sql, 'ARRAY_A')  
A Variable:A A A A $_REQUEST['order']  
A Sample URL:A A   
http://vulnerablesite.com/wp-admin/users.php?page=login_log&orderby=time&order=AND+SLEEP%285%29  
A Note:A A A A A A A A Sample URL only works if there is more than one entry in  
SQL response  
A File:A A A A A A A A simple-login-log\simple-login-log.php  
A A A ---------  
A A A 950 $order = (isset($_REQUEST['order']) &&  
!empty($_REQUEST['order'])) ? $_REQUEST['order'] : false;  
A A A ...  
A A A 527 $sql = "SELECT * FROM $this->table" . $where . " ORDER BY  
{$orderby} {$order} " . 'LIMIT ' . $limit . ' OFFSET ' . $offset;  
A A A ---------  
A   
  
4. Solution  
===========  
After we reported the vulnerabilities vendor responded that  
vulnerabilities are fixed and update released. All users are strongly  
advised to update WordPress Simple Login Log plugin to the latest  
available version.  
  
  
5. Credits  
==========  
Discovered by Neven Biruski using DefenseCode ThunderScan source code  
security analyzer.  
  
A   
6. Disclosure Timeline  
======================  
2017/04/06A A A A A Initial contact  
2017/04/17A A A A A Vendor responded  
2017/04/28A A A A A Advisory sent to vendor  
2017/05/19A A A A A Vendor released an update  
2017/10/10A A A A A Advisory released to the public  
  
  
7. About DefenseCode  
====================  
DefenseCode L.L.C. delivers products and services designed to analyze  
and test web, desktop and mobile applications for security  
vulnerabilities.  
  
DefenseCode ThunderScan is a SAST (Static Application Security  
Testing, WhiteBox Testing) solution for performing extensive security  
audits of application source code. ThunderScan SAST performs fast and  
accurate analyses of large and complex source code projects delivering  
precise results and low false positive rate.  
  
DefenseCode WebScanner is a DAST (Dynamic Application Security  
Testing, BlackBox Testing) solution for comprehensive security audits  
of active web applications. WebScanner will test a website's security  
by carrying out a large number of attacks using the most advanced  
techniques, just as a real attacker would.  
  
Subscribe for free software trial on our website  
http://www.defensecode.com/ .  
  
E-mail: defensecode[at]defensecode.com  
  
Website: http://www.defensecode.com  
Twitter: https://twitter.com/DefenseCode/  
  
  
  
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