CVE-2021-3728 : Security Advisory and Response

A detailed overview of the Cross-Site Request Forgery (CSRF) vulnerability in firefly-iii/firefly-iii.

Understanding CVE-2021-3728

This section will cover the basics of the CVE-2021-3728 vulnerability affecting firefly-iii/firefly-iii.

What is CVE-2021-3728?

The CVE-2021-3728 vulnerability pertains to a Cross-Site Request Forgery (CSRF) issue in firefly-iii/firefly-iii, making it susceptible to unauthorized actions triggered by a malicious site.

The Impact of CVE-2021-3728

The impact of this vulnerability is assessed as medium severity, with a CVSS base score of 6.5. It requires user interaction and can result in high availability impact.

Technical Details of CVE-2021-3728

Explore the technical aspects of the CVE-2021-3728 vulnerability in firefly-iii/firefly-iii.

Vulnerability Description

firefly-iii is affected by a Cross-Site Request Forgery (CSRF) vulnerability, potentially allowing attackers to perform unauthorized actions.

Affected Systems and Versions

The vulnerability affects versions of firefly-iii up to and including 5.5.13, specifically impacting users with custom versions.

Exploitation Mechanism

Exploiting this CSRF vulnerability involves tricking a user into executing unwanted actions on the application through a malicious site.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-3728 in firefly-iii/firefly-iii.

Immediate Steps to Take

Users are advised to update firefly-iii to a patched version beyond 5.5.13 to prevent CSRF attacks. Implementing CSRF tokens can also enhance security.

Long-Term Security Practices

Incorporating secure coding practices, regular security audits, and user-awareness training can help mitigate CSRF vulnerabilities in the long term.

Patching and Updates

Stay informed about security updates released by firefly-iii to address CVE-2021-3728 and other potential vulnerabilities.