CVE-2020-13663 : Security Advisory and Response

Drupal Core versions 7.x, 8.8.x, 8.9.x, and 9.0.x are affected by a Cross Site Request Forgery vulnerability in the Form API, potentially leading to further security issues.

Understanding CVE-2020-13663

This CVE involves a vulnerability in Drupal Core that could allow malicious actors to exploit cross-site requests, posing a risk to the security of affected systems.

What is CVE-2020-13663?

The CVE-2020-13663 vulnerability in Drupal Core's Form API arises from inadequate handling of specific form input from cross-site requests, opening the door to potential security vulnerabilities.

The Impact of CVE-2020-13663

This vulnerability could be exploited by attackers to perform Cross Site Request Forgery attacks, compromising the integrity and security of Drupal Core installations.

Technical Details of CVE-2020-13663

This section delves into the technical aspects of the CVE, including the description of the vulnerability, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Drupal Core's Form API allows attackers to manipulate form input from cross-site requests, potentially leading to security breaches and further exploitation.

Affected Systems and Versions

Affected Versions: 7.x, 8.8.x, 8.9.x, 9.0.x
Vulnerable Systems: Drupal Core installations using the mentioned versions

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious cross-site requests to manipulate form input, potentially leading to unauthorized actions within the application.

Mitigation and Prevention

Protecting systems from CVE-2020-13663 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Drupal Core to the patched versions to mitigate the vulnerability.
Monitor and restrict cross-site requests to prevent potential exploitation.

Long-Term Security Practices

Implement secure coding practices to prevent Cross Site Request Forgery vulnerabilities.
Regularly update and patch Drupal Core to address security issues.

Patching and Updates

Apply security patches provided by Drupal to address the CVE-2020-13663 vulnerability and enhance system security.