CVE-2022-39307 : Vulnerability Insights and Analysis

Grafana is a popular open-source platform for monitoring and observability. A vulnerability in Grafana allows for the exposure of sensitive information leading to user enumeration via the forget password feature. This CVE has been assigned as CVE-2022-39307 and was published on November 9, 2022.

Understanding CVE-2022-39307

This section will delve into the details of CVE-2022-39307, its impact, technical details, and mitigation strategies.

What is CVE-2022-39307?

The vulnerability in Grafana allows unauthenticated users to enumerate valid usernames or emails via a JSON response when using the forget password feature.

The Impact of CVE-2022-39307

The exposure of sensitive user information can lead to unauthorized user enumeration, posing a security risk to affected systems and potentially compromising user privacy.

Technical Details of CVE-2022-39307

Let's explore the technical aspects of CVE-2022-39307 to understand the vulnerability better.

Vulnerability Description

When a user triggers the forget password mechanism in Grafana, a POST request to a specific URL discloses whether the provided username or email exists, leading to information leakage.

Affected Systems and Versions

Grafana versions between v9.0.0-beta1 and 9.2.4, as well as versions prior to 8.5.15, are vulnerable to this exploit.

Exploitation Mechanism

The vulnerability can be exploited by sending a POST request to the

/api/user/password/sent-reset-email

URL and observing the response to determine the existence of a user account.

Mitigation and Prevention

To safeguard systems from CVE-2022-39307, it is crucial to take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update Grafana to version 9.2.4 or backported version 8.5.15 to mitigate the vulnerability.
Monitor user enumeration attempts and audit logs for suspicious activities.

Long-Term Security Practices

Regularly update Grafana and review security advisories for patches.
Implement multi-factor authentication to enhance user account protection.

Patching and Updates

It is recommended to apply the provided patches for Grafana versions to eliminate the vulnerability.