CVE-2019-12363 : Security Advisory and Response

A Cross-Site Request Forgery (CSRF) vulnerability in the JN-Jones MyBB-2FA plugin allows attackers to manipulate the two-factor authentication status of MyBB accounts.

Understanding CVE-2019-12363

This CVE identifies a security flaw in the MyBB-2FA plugin that enables unauthorized users to deactivate two-factor authentication on targeted accounts.

What is CVE-2019-12363?

This vulnerability permits attackers to alter the security settings of MyBB accounts by sending forged requests to deactivate the two-factor authentication feature.

The Impact of CVE-2019-12363

The exploitation of this vulnerability can lead to a decrease in the security level of affected MyBB accounts by disabling the two-factor authentication mechanism.

Technical Details of CVE-2019-12363

The technical aspects of this CVE include:

Vulnerability Description

A CSRF issue in the JN-Jones MyBB-2FA plugin until 2014-11-05
Attackers can control the plugin's state via forged requests

Affected Systems and Versions

Product: MyBB
Vendor: JN-Jones
Versions: All versions until 2014-11-05

Exploitation Mechanism

Attacker sends forged requests to usercp.php to deactivate two-factor authentication

Mitigation and Prevention

To address CVE-2019-12363, consider the following steps:

Immediate Steps to Take

Disable or remove the vulnerable MyBB-2FA plugin
Monitor account activities for suspicious behavior

Long-Term Security Practices

Implement strong password policies
Educate users on phishing and social engineering tactics

Patching and Updates

Update MyBB-2FA plugin to the latest secure version