CVE-2017-18405 : What You Need to Know

The version of cPanel prior to 68.0.15 includes a vulnerability that allows unauthorized access to files due to a flaw in the logic used for modifying the backup .htaccess file (SEC-345).

Understanding CVE-2017-18405

cPanel before 68.0.15 allows arbitrary file-read operations because of the backup .htaccess modification logic (SEC-345).

What is CVE-2017-18405?

This CVE refers to a vulnerability in cPanel versions prior to 68.0.15 that enables unauthorized access to files through a flaw in the logic used for altering the backup .htaccess file.

The Impact of CVE-2017-18405

The vulnerability could lead to unauthorized parties gaining access to sensitive files, potentially compromising the security and confidentiality of data stored on the affected system.

Technical Details of CVE-2017-18405

Vulnerability Description

The issue arises from the flawed logic implemented for modifying the backup .htaccess file in cPanel versions before 68.0.15, allowing for arbitrary file-read operations.

Affected Systems and Versions

Product: cPanel
Vendor: Not applicable
Versions: All versions prior to 68.0.15

Exploitation Mechanism

Unauthorized users can exploit this vulnerability to gain access to files they are not authorized to view, potentially leading to data breaches and unauthorized disclosure of sensitive information.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 68.0.15 or later to mitigate the vulnerability.
Regularly monitor file access logs for any suspicious activities.

Long-Term Security Practices

Implement strong access control measures to restrict unauthorized access to files.
Conduct regular security audits and vulnerability assessments to identify and address any potential weaknesses.

Patching and Updates

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