CVE-2019-19374 : Exploit Details and Defense Strategies

A vulnerability has been found in Squiz Matrix CMS versions 5.5.0 to 5.5.0.3, 5.5.1 to 5.5.1.8, 5.5.2 to 5.5.2.4, and 5.5.3 to 5.5.3.3 that allows a user to delete files from the server via the File Upload field type within a custom form.

Understanding CVE-2019-19374

This CVE identifies a security flaw in Squiz Matrix CMS versions that exposes the server to file deletion by users interacting with the File Upload field type.

What is CVE-2019-19374?

An issue in Squiz Matrix CMS versions allows users to delete files from the server through the File Upload field type in custom forms, due to an information disclosure vulnerability.

The Impact of CVE-2019-19374

The vulnerability enables unauthorized users to delete files from the server, compromising data integrity and potentially causing data loss.

Technical Details of CVE-2019-19374

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Squiz Matrix CMS versions 5.5.0 to 5.5.3.3 allows users to delete files from the server through the File Upload field type in custom forms.

Affected Systems and Versions

Squiz Matrix CMS 5.5.0 to 5.5.0.3
Squiz Matrix CMS 5.5.1 to 5.5.1.8
Squiz Matrix CMS 5.5.2 to 5.5.2.4
Squiz Matrix CMS 5.5.3 to 5.5.3.3

Exploitation Mechanism

The vulnerability is exploited by interacting with the File Upload field type within a custom form, allowing users to delete any files from the server.

Mitigation and Prevention

Protect your systems from CVE-2019-19374 with the following steps:

Immediate Steps to Take

Update Squiz Matrix CMS to the latest version.
Restrict access to the File Upload field type to authorized users only.
Monitor file deletion activities for suspicious behavior.

Long-Term Security Practices

Regularly audit and review file upload permissions.
Implement access controls to limit file deletion capabilities.
Educate users on secure file management practices.

Patching and Updates

Apply patches and updates provided by Squiz Matrix CMS to address the vulnerability.