CVE-2018-20028 : Security Advisory and Response

This CVE-2018-20028 article provides insights into a security vulnerability affecting Contao versions 3.x, 4.4.x, and 4.6.x.

Understanding CVE-2018-20028

This CVE-2018-20028 vulnerability involves an access control issue in specific versions of Contao.

What is CVE-2018-20028?

Contao versions 3.x before 3.5.37, 4.4.x before 4.4.31, and 4.6.x before 4.6.11 have an Incorrect Access Control vulnerability.

The Impact of CVE-2018-20028

Unauthorized users may gain access to restricted resources.
Sensitive data could be exposed due to inadequate access control.

Technical Details of CVE-2018-20028

This section delves into the technical aspects of the CVE-2018-20028 vulnerability.

Vulnerability Description

The issue lies in the access control mechanisms of Contao versions 3.x, 4.4.x, and 4.6.x, allowing unauthorized access to protected resources.

Affected Systems and Versions

Contao versions 3.x before 3.5.37
Contao versions 4.4.x before 4.4.31
Contao versions 4.6.x before 4.6.11

Exploitation Mechanism

Attackers can exploit this vulnerability by bypassing access controls and gaining unauthorized entry to sensitive data or functionalities.

Mitigation and Prevention

Protect your systems from CVE-2018-20028 with these mitigation strategies:

Immediate Steps to Take

Update Contao to versions 3.5.37, 4.4.31, or 4.6.11 to patch the access control issue.
Review and adjust access control settings to ensure proper restrictions.

Long-Term Security Practices

Regularly monitor and audit access controls to detect anomalies.
Educate users on the importance of access control and data protection.

Patching and Updates

Stay informed about security updates for Contao to address vulnerabilities promptly.