CVE-2017-6381 Explained : Impact and Mitigation

Drupal Core versions before 8.2.7 are vulnerable to remote code execution due to a third-party development library. Learn how to mitigate and prevent this security issue.

Understanding CVE-2017-6381

Drupal Core versions prior to 8.2.7 are susceptible to remote code execution, posing a security risk that requires immediate attention.

What is CVE-2017-6381?

A vulnerability in a third-party development library included with Drupal 8 development dependencies allows remote code execution. However, certain factors can mitigate this risk.

The Impact of CVE-2017-6381

The vulnerability can lead to remote code execution, potentially compromising the security and integrity of Drupal websites.

Technical Details of CVE-2017-6381

Drupal Core's vulnerability to remote code execution requires understanding the specifics of the issue.

Vulnerability Description

The vulnerability arises from a third-party development library in Drupal 8 development dependencies, allowing remote code execution.

Affected Systems and Versions

Product: Drupal Core
Vendor: Drupal
Vulnerable Versions: 8.2.x versions before 8.2.7

Exploitation Mechanism

The vulnerability can be exploited remotely, potentially leading to unauthorized code execution on affected systems.

Mitigation and Prevention

Protecting your Drupal installation from CVE-2017-6381 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Drupal Core to version 8.2.7 or later to patch the vulnerability.
Remove the <siteroot>/vendor/phpunit directory from production deployments to mitigate the risk.

Long-Term Security Practices

Regularly update Drupal Core and its dependencies to stay protected against known vulnerabilities.
Implement secure coding practices and conduct security audits to identify and address potential risks.

Patching and Updates

Stay informed about security advisories from Drupal and promptly apply patches to secure your website against potential threats.