CVE-2018-20891 Explained : Impact and Mitigation

This CVE-2018-20891 article provides insights into a vulnerability in cPanel versions prior to 74.0.0 that allows arbitrary file-read operations during File Restoration (SEC-436).

Understanding CVE-2018-20891

This section delves into the details of the vulnerability and its impact.

What is CVE-2018-20891?

cPanel versions before 74.0.0 have a security flaw that enables the execution of arbitrary file-read operations during File Restoration (SEC-436).

The Impact of CVE-2018-20891

The vulnerability allows unauthorized users to perform arbitrary file-read operations, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2018-20891

Explore the technical aspects of the vulnerability.

Vulnerability Description

File Restoration in cPanel versions prior to 74.0.0, specifically SEC-436, permits the execution of arbitrary file-read operations.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions prior to 74.0.0 are affected.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to read arbitrary files during the File Restoration process.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-20891.

Immediate Steps to Take

Upgrade cPanel to version 74.0.0 or later to eliminate the vulnerability.
Monitor file-read operations for any suspicious activities.

Long-Term Security Practices

Regularly update cPanel and other software to patch security vulnerabilities.
Implement access controls to restrict unauthorized file-read operations.
Conduct security audits to identify and address potential vulnerabilities.
Educate users on secure file restoration practices.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.