CVE-2019-6338 : Security Advisory and Response

Drupal Core versions 7.x before 7.62, 8.6.x before 8.6.6, and 8.5.x before 8.5.9 utilize an external library known as PEAR Archive_Tar. This library has introduced changes affecting certain Drupal configurations.

Understanding CVE-2019-6338

This CVE involves vulnerabilities in the third-party PEAR Archive_Tar library used by Drupal Core.

What is CVE-2019-6338?

CVE-2019-6338 relates to security issues in Drupal Core versions 7.x, 8.6.x, and 8.5.x due to the PEAR Archive_Tar library.

The Impact of CVE-2019-6338

CVSS Score: 0 (None)
Attack Complexity: High
Privileges Required: High
User Interaction: Required
Exploitation Vector: Physical

Technical Details of CVE-2019-6338

This section provides detailed technical insights into the CVE.

Vulnerability Description

Drupal Core versions 7.x, 8.6.x, and 8.5.x are vulnerable due to the third-party PEAR Archive_Tar library.

Affected Systems and Versions

Drupal Core 7.x before 7.62
Drupal Core 8.6.x before 8.6.6
Drupal Core 8.5.x before 8.5.9

Exploitation Mechanism

The vulnerability can be exploited by attackers with high privileges and physical access to the system.

Mitigation and Prevention

Protect your systems from CVE-2019-6338 with these mitigation strategies.

Immediate Steps to Take

Update Drupal Core to versions 7.62, 8.6.6, or 8.5.9
Monitor security advisories from Drupal and related sources

Long-Term Security Practices

Regularly update Drupal Core and third-party libraries
Implement secure coding practices and configurations

Patching and Updates

Apply security patches promptly
Follow best practices for securing Drupal installations