CVE-2018-20882 : Vulnerability Insights and Analysis

Before version 74.0.8, cPanel had a vulnerability (SEC-447) that allowed unauthorized file-writing operations to occur in the root account context when WHM Force Password Change was executed.

Understanding CVE-2018-20882

cPanel before 74.0.8 allows arbitrary file-write operations in the context of the root account during WHM Force Password Change (SEC-447).

What is CVE-2018-20882?

This CVE refers to a vulnerability in cPanel that permits unauthorized file-writing operations in the root account context during the execution of WHM Force Password Change.

The Impact of CVE-2018-20882

The vulnerability could potentially be exploited by malicious actors to write files in the root account context, leading to unauthorized access and potential system compromise.

Technical Details of CVE-2018-20882

Vulnerability Description

The vulnerability in cPanel before version 74.0.8 allows for arbitrary file-write operations during WHM Force Password Change, identified as SEC-447.

Affected Systems and Versions

Product: cPanel
Vendor: Not applicable
Versions affected: Before 74.0.8

Exploitation Mechanism

The vulnerability can be exploited by executing WHM Force Password Change in the affected versions of cPanel, enabling unauthorized file-writing operations in the root account context.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 74.0.8 or newer to mitigate the vulnerability.
Regularly monitor and audit file-writing operations in the root account context.

Long-Term Security Practices

Implement strong access controls and permissions to restrict file-writing capabilities.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

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