CVE-2017-18430 : What You Need to Know

In versions earlier than 66.0.2 of cPanel, there is a possibility of incorrect assignment of user and group ownership when utilizing the reassign_post_terminate_cruft function due to SEC-294.

Understanding CVE-2017-18430

In cPanel before version 66.0.2, user and group ownership may be incorrectly set when using reassign_post_terminate_cruft (SEC-294).

What is CVE-2017-18430?

CVE-2017-18430 is a vulnerability in cPanel versions prior to 66.0.2 that can lead to the incorrect assignment of user and group ownership.

The Impact of CVE-2017-18430

This vulnerability could result in misconfigured user and group ownership settings, potentially leading to unauthorized access or privilege escalation.

Technical Details of CVE-2017-18430

Vulnerability Description

In cPanel versions earlier than 66.0.2, incorrect user and group ownership assignment may occur when using the reassign_post_terminate_cruft function due to SEC-294.

Affected Systems and Versions

Product: cPanel
Versions Affected: Earlier than 66.0.2

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to manipulate user and group ownership settings, potentially gaining unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 66.0.2 or later to mitigate the vulnerability.
Regularly monitor user and group ownership settings for any unauthorized changes.

Long-Term Security Practices

Implement least privilege access controls to limit the impact of potential unauthorized access.
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.