CVE-2017-18411 Explained : Impact and Mitigation

Before version 67.9999.103 of cPanel, the feature called "addon domain conversion" had the capability to duplicate all MySQL databases onto the new account (SEC-285).

Understanding CVE-2017-18411

The "addon domain conversion" feature in cPanel before version 67.9999.103 poses a security risk by copying all MySQL databases to the new account.

What is CVE-2017-18411?

The vulnerability in cPanel allows for the duplication of all MySQL databases to a new account through the "addon domain conversion" feature.

The Impact of CVE-2017-18411

This vulnerability could lead to unauthorized access and exposure of sensitive data stored in MySQL databases.

Technical Details of CVE-2017-18411

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The flaw in cPanel before version 67.9999.103 enables the unauthorized copying of all MySQL databases during the addon domain conversion process.

Affected Systems and Versions

Affected System: cPanel
Vulnerable Version: Before 67.9999.103

Exploitation Mechanism

The vulnerability can be exploited by an attacker with access to the addon domain conversion feature to copy all MySQL databases to a new account.

Mitigation and Prevention

To address CVE-2017-18411, follow these steps:

Immediate Steps to Take

Upgrade cPanel to version 67.9999.103 or newer to mitigate the vulnerability.
Regularly monitor database activities for any unauthorized duplication.

Long-Term Security Practices

Implement strong access controls to restrict unauthorized access to the addon domain conversion feature.
Conduct regular security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by cPanel.