CVE-2018-20934 : Exploit Details and Defense Strategies

The version of cPanel prior to 70.0.23 has a vulnerability that allows the suspension of email accounts not owned by the user.

Understanding CVE-2018-20934

This CVE identifies a security issue in cPanel versions before 70.0.23 that lacks a safeguard against suspending email accounts not belonging to the user.

What is CVE-2018-20934?

cPanel versions prior to 70.0.23 do not prevent the suspension of email accounts that are not owned by the user, leaving them vulnerable to unauthorized actions.

The Impact of CVE-2018-20934

This vulnerability (SEC-411) can lead to the unauthorized suspension of email accounts that do not belong to the user, potentially disrupting communication and causing security risks.

Technical Details of CVE-2018-20934

Vulnerability Description

The issue in cPanel versions before 70.0.23 allows for the suspension of email accounts not owned by the user, lacking proper access controls.

Affected Systems and Versions

Product: cPanel
Vendor: cPanel
Versions affected: All versions before 70.0.23

Exploitation Mechanism

Attackers can exploit this vulnerability to suspend email accounts that do not belong to the user, potentially disrupting email services and causing inconvenience.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 70.0.23 or later to mitigate this vulnerability.
Regularly monitor email account activities for any unauthorized suspensions.

Long-Term Security Practices

Implement proper access controls to prevent unauthorized actions on email accounts.
Conduct regular security audits to identify and address any vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates for cPanel to address known vulnerabilities.