CVE-2021-3509 : Exploit Details and Defense Strategies

A flaw was discovered in Red Hat Ceph Storage 4 that affects the Dashboard component, leading to a vulnerability tracked as CVE-2021-3509. This vulnerability impacts the system's confidentiality, integrity, and availability.

Understanding CVE-2021-3509

This section provides detailed insights into the nature of the CVE-2021-3509 vulnerability.

What is CVE-2021-3509?

The vulnerability in Red Hat Ceph Storage 4's Dashboard component exposes the system to attacks compromising confidentiality, integrity, and availability.

The Impact of CVE-2021-3509

The greatest threat posed by CVE-2021-3509 is to the system's confidentiality, integrity, and availability.

Technical Details of CVE-2021-3509

Explore the specific technical aspects associated with CVE-2021-3509 in this section.

Vulnerability Description

In response to CVE-2020-27839, the JWT token was shifted from localStorage to an httpOnly cookie. However, the token cookies are exposed in the HTTP response body for documentation purposes, making them vulnerable to XSS attacks.

Affected Systems and Versions

The vulnerability affects Red Hat Ceph Storage 4 where the JWT token cookies are used in the HTTP response body, exposing the system to potential exploits.

Exploitation Mechanism

The exposure of token cookies in the HTTP response body creates a security loophole that can be exploited by attackers to compromise system confidentiality, integrity, and availability.

Mitigation and Prevention

Learn about the steps to mitigate and prevent CVE-2021-3509 in this section.

Immediate Steps to Take

It is crucial to address this vulnerability by implementing security measures to safeguard the system's confidentiality, integrity, and availability.

Long-Term Security Practices

Establishing robust security practices and protocols can help prevent similar vulnerabilities from arising in the future.

Patching and Updates

Regularly applying patches and updates can help remediate vulnerabilities and enhance the overall security posture of the system.