CVE-2022-39340 : What You Need to Know

OpenFGA Information Disclosure is an authorization/permission engine that had a vulnerability in the

streamed-list-objects

endpoint. This CVE affects users of OpenFGA versions prior to 0.2.4, exposing objects in the store due to a lack of validation of the authorization header. Version 0.2.4 includes a patch to address this issue.

Understanding CVE-2022-39340

This section will provide insights into the details and impact of the OpenFGA Information Disclosure vulnerability.

What is CVE-2022-39340?

CVE-2022-39340 is an information disclosure vulnerability in OpenFGA versions prior to 0.2.4, where the

streamed-list-objects

endpoint fails to validate the authorization header.

The Impact of CVE-2022-39340

The impact includes the exposure of objects in the store to unauthorized users, potentially leading to sensitive information disclosure.

Technical Details of CVE-2022-39340

Let's delve into the technical aspects of the vulnerability to understand its nature, affected systems, and exploitation.

Vulnerability Description

The vulnerability arises from the lack of validation in the

streamed-list-objects

endpoint, allowing unauthorized access to objects in the OpenFGA store.

Affected Systems and Versions

Users of OpenFGA versions prior to 0.2.4 are affected by this vulnerability if the OpenFGA service is exposed to the internet.

Exploitation Mechanism

By sending unauthorized requests to the

streamed-list-objects

endpoint, attackers can access and retrieve objects from the store.

Mitigation and Prevention

Discover the steps to mitigate and prevent the OpenFGA Information Disclosure vulnerability to enhance your system's security.

Immediate Steps to Take

Immediately upgrade OpenFGA to version 0.2.4 or apply the patch provided to safeguard your system from unauthorized disclosures.

Long-Term Security Practices

Implement robust authorization and validation mechanisms within OpenFGA to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor and apply security patches and updates to ensure the continued security of your OpenFGA deployment.