CVE-2017-18444 : Exploit Details and Defense Strategies

The version of cPanel prior to 64.0.21 has a vulnerability (SEC-248) where demo accounts are able to perform SSH API commands.

Understanding CVE-2017-18444

This CVE relates to a security vulnerability in cPanel versions before 64.0.21 that allows demo accounts to execute SSH API commands.

What is CVE-2017-18444?

cPanel before version 64.0.21 permits demo accounts to run SSH API commands, potentially leading to unauthorized actions.

The Impact of CVE-2017-18444

The vulnerability could allow unauthorized users to execute SSH API commands through demo accounts, posing a risk of unauthorized access and actions.

Technical Details of CVE-2017-18444

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability (SEC-248) in cPanel versions prior to 64.0.21 enables demo accounts to execute SSH API commands.

Affected Systems and Versions

Product: cPanel
Vendor: Not applicable
Versions affected: All versions before 64.0.21

Exploitation Mechanism

Unauthorized users with demo accounts can exploit this vulnerability to run SSH API commands, potentially compromising system security.

Mitigation and Prevention

Protect your systems from CVE-2017-18444 with these mitigation strategies.

Immediate Steps to Take

Upgrade cPanel to version 64.0.21 or newer to patch the vulnerability.
Monitor SSH API commands for unusual or unauthorized activities.

Long-Term Security Practices

Regularly update cPanel and other software to prevent vulnerabilities.
Implement strong access controls and user permissions to limit unauthorized actions.

Patching and Updates

Ensure timely patching and updates for cPanel to address security vulnerabilities.