CVE-2017-14843

Mojoomla School Management System (Unspecified Version) - Authenticated (Student+) SQL Injection

2017-09-26 00:00
Ihsan Sencan

Strategic Overview

Status
Unpatched
Affected Plugin
School Management System for Wordpress
Affected Version
*
CVSS
8.8High
Weakness type
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE
CVE-2017-14843
View all School Management System for Wordpress vulnerabilities

At a glance

CVE-2017-14843 is a high-severity Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in the School Management System for Wordpress WordPress plugin, affecting versions *. It carries a CVSS score of 8.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires an authenticated account at Student level or above. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed September 2017, reported by Ihsan Sencan.

Vulnerability Overview

The Mojoomla School Management System plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter in unknown versions due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with student-level access to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Reaching this weakness in School Management System for Wordpress * takes an account at Student level or above. SQL injection happens when request data is concatenated into a query instead of being bound as a parameter, letting an attacker change the structure of the statement rather than just its values.

A working injection can read any table the database user can see, which on a WordPress install means user records, password hashes and session or API secrets stored in options. No fixed build of this plugin is recorded for School Management System for Wordpress yet, so installs running * stay exposed until the vendor ships one.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How does WordSec protect against this?

An attacker needs Student access first, so the firewall sees the attempt as traffic from a logged-in account: WordSec's web application firewall inspects request payloads before WordPress loads them. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

  • Firewall
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2017-14843https://www.wordfence.com/threat-intel/vulnerabilities/id/3d933256-765b-4e1b-b5a1-39bf767bf860https://nvd.nist.gov/vuln/detail/CVE-2017-14843

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C