CVE-2018-20946 Explained : Impact and Mitigation

A vulnerability in cPanel versions prior to 68.0.27 allows unauthorized access to zone information due to a world-readable archive created by the archive_sync_zones script (SEC-355).

Understanding CVE-2018-20946

This CVE identifies a security issue in cPanel software that could potentially compromise zone information.

What is CVE-2018-20946?

cPanel versions before 68.0.27 are susceptible to unauthorized access to zone information because of a world-readable archive generated by the archive_sync_zones script (SEC-355).

The Impact of CVE-2018-20946

The vulnerability could lead to unauthorized individuals accessing sensitive zone information, potentially compromising the security and integrity of the affected systems.

Technical Details of CVE-2018-20946

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises from the creation of a world-readable archive by the archive_sync_zones script in cPanel versions prior to 68.0.27.

Affected Systems and Versions

Affected Software: cPanel versions before 68.0.27
Vulnerable Component: archive_sync_zones script

Exploitation Mechanism

Unauthorized individuals can exploit this vulnerability to gain access to zone information due to the insecure permissions set by the archive_sync_zones script.

Mitigation and Prevention

Protecting systems from CVE-2018-20946 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update cPanel to version 68.0.27 or later to mitigate the vulnerability.
Monitor system logs for any unauthorized access attempts.

Long-Term Security Practices

Regularly review and adjust file permissions to restrict unauthorized access.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by cPanel to ensure the security of the software and prevent similar vulnerabilities in the future.