CVE-2017-18447 : Vulnerability Insights and Analysis

The ClamScanner_getsocket API in versions of cPanel earlier than 64.0.21 has a security vulnerability (SEC-251) that enables demo accounts to run code.

Understanding CVE-2017-18447

This CVE identifies a security vulnerability in cPanel versions prior to 64.0.21 that allows demo accounts to execute code through the ClamScanner_getsocket API.

What is CVE-2017-18447?

cPanel before version 64.0.21 is susceptible to a security flaw (SEC-251) that permits demo accounts to run code via the ClamScanner_getsocket API.

The Impact of CVE-2017-18447

The vulnerability allows unauthorized execution of code by demo accounts, potentially leading to unauthorized access and malicious activities.

Technical Details of CVE-2017-18447

Vulnerability Description

The ClamScanner_getsocket API in cPanel versions earlier than 64.0.21 lacks proper restrictions, enabling demo accounts to execute code.

Affected Systems and Versions

Product: cPanel
Vendor: cPanel
Versions Affected: Prior to 64.0.21

Exploitation Mechanism

The vulnerability can be exploited by demo accounts leveraging the ClamScanner_getsocket API to execute unauthorized code.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 64.0.21 or newer to mitigate the vulnerability.
Monitor demo accounts for suspicious activities.

Long-Term Security Practices

Regularly update cPanel and other software to patch security vulnerabilities.
Implement strong access controls and permissions to limit unauthorized code execution.

Patching and Updates

Apply patches and updates provided by cPanel to address security issues and prevent unauthorized code execution.