CVE-2022-21673 : Security Advisory and Response

A detailed overview of CVE-2022-21673 affecting Grafana and its implications.

Understanding CVE-2022-21673

This CVE details the exposure of OAuth Identity Tokens in specific versions of Grafana.

What is CVE-2022-21673?

CVE-2022-21673 highlights a vulnerability in Grafana that allows API token holders to access unintended data by forwarding OAuth Identity.

The Impact of CVE-2022-21673

The vulnerability can lead to exposure of sensitive information to unauthorized actors due to the mishandling of OAuth Identity tokens.

Technical Details of CVE-2022-21673

Exploring the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

In affected versions of Grafana, enabling the Forward OAuth Identity feature can result in exposing sensitive data to unauthorized users.

Affected Systems and Versions

Versions >= 7.2.0 and < 7.5.13, and >= 8.0.0 and < 8.3.4 are impacted by this vulnerability.

Exploitation Mechanism

By sending a query with an API token and no user credentials to a data source with Forward OAuth Identity feature enabled, OAuth Identity can be forwarded unintentionally.

Mitigation and Prevention

Recommendations to address and prevent exploitation of CVE-2022-21673.

Immediate Steps to Take

Upgrade Grafana to patched versions 7.5.13 and 8.3.4 to mitigate the vulnerability.

Long-Term Security Practices

Enforce strict access controls, review OAuth configurations, and regularly update Grafana to avoid similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches and updates to maintain a secure environment.