CVE-2023-45810 : What You Need to Know

OpenFGA denial of service vulnerability has been identified in the openfga product. Learn about the impact, affected systems, and mitigation steps.

Understanding CVE-2023-45810

OpenFGA is a flexible authorization engine vulnerable to a denial of service attack when specific calls are made. This vulnerability affects versions prior to 1.3.4.

What is CVE-2023-45810?

OpenFGA, inspired by Google Zanzibar, experiences a denial of service when

ListObjects

calls are not releasing resources under certain conditions. Upgrading to version 1.3.4 resolves the issue.

The Impact of CVE-2023-45810

The vulnerability leads to uncontrolled resource consumption in affected versions, potentially rendering the service unresponsive under high call volumes.

Technical Details of CVE-2023-45810

The vulnerability in OpenFGA results in uncontrolled resource consumption, impacting the availability of the service.

Vulnerability Description

OpenFGA's denial of service vulnerability stems from resource leaks caused by

ListObjects

calls, affecting performance and availability.

Affected Systems and Versions

Vendor: openfga
Product: openfga
Affected Versions: < 1.3.4

Exploitation Mechanism

By repeatedly executing

ListObjects

calls without resource release, an attacker can exhaust resources and render the service unresponsive.

Mitigation and Prevention

Take immediate steps and implement long-term security measures to safeguard against the CVE-2023-45810 vulnerability.

Immediate Steps to Take

Upgrade OpenFGA to version 1.3.4 to mitigate the denial of service vulnerability and ensure service availability.

Long-Term Security Practices

Regularly update OpenFGA and monitor for security advisories to stay protected from future vulnerabilities.

Patching and Updates

Keep OpenFGA up to date with the latest patches and security updates to prevent exploitation of known vulnerabilities.