CVE-2017-18446 Explained : Impact and Mitigation

The SourceIPCheck API (SEC-250) in cPanel version 64.0.21 and earlier allows demo accounts to perform file-read and file-write operations.

Understanding CVE-2017-18446

This CVE involves a vulnerability in cPanel that enables unauthorized file operations by demo accounts.

What is CVE-2017-18446?

cPanel versions before 64.0.21 are susceptible to file-read and file-write activities by demo accounts through the SourceIPCheck API (SEC-250).

The Impact of CVE-2017-18446

This vulnerability can lead to unauthorized access and manipulation of files by demo accounts, potentially compromising system integrity and confidentiality.

Technical Details of CVE-2017-18446

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The SourceIPCheck API (SEC-250) in cPanel versions prior to 64.0.21 allows demo accounts to execute file-read and file-write operations.

Affected Systems and Versions

Product: cPanel
Vendor: cPanel
Versions affected: cPanel version 64.0.21 and earlier

Exploitation Mechanism

Unauthorized file operations can be performed by demo accounts using the SourceIPCheck API (SEC-250) in vulnerable cPanel versions.

Mitigation and Prevention

To address CVE-2017-18446, consider the following steps:

Immediate Steps to Take

Upgrade cPanel to version 64.0.21 or later to mitigate the vulnerability.
Monitor file activities and access permissions for demo accounts.

Long-Term Security Practices

Implement least privilege access controls to restrict demo accounts' file operations.
Regularly review and update security configurations to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by cPanel to address security vulnerabilities promptly.