CVE-2018-20902 : Vulnerability Insights and Analysis

In versions of cPanel prior to 71.9980.37, a vulnerability exists that allows attackers to access the crontab file of the root user through the installation of ClamAV (Security-408).

Understanding CVE-2018-20902

This CVE identifies a security issue in cPanel versions before 71.9980.37 that can be exploited to read the root user's crontab file.

What is CVE-2018-20902?

cPanel versions prior to 71.9980.37 are susceptible to a vulnerability that permits unauthorized access to the root user's crontab file by leveraging the installation of ClamAV (Security-408).

The Impact of CVE-2018-20902

The vulnerability in CVE-2018-20902 can lead to unauthorized access to sensitive system files and potentially compromise the security and integrity of the system.

Technical Details of CVE-2018-20902

Vulnerability Description

The vulnerability in cPanel before version 71.9980.37 allows attackers to read the crontab file of the root user by exploiting the ClamAV installation (SEC-408).

Affected Systems and Versions

Affected Product: cPanel
Affected Versions: Prior to 71.9980.37

Exploitation Mechanism

Attackers can exploit this vulnerability by installing ClamAV, enabling them to access the crontab file of the root user.

Mitigation and Prevention

Immediate Steps to Take

Update cPanel to version 71.9980.37 or later to mitigate the vulnerability.
Regularly monitor system logs for any unauthorized access attempts.

Long-Term Security Practices

Implement the principle of least privilege to restrict access to critical system files.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

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