CVE-2020-12458 : Security Advisory and Response

An information-disclosure flaw in Grafana through version 6.7.3 exposes sensitive data, including datasource passwords.

Understanding CVE-2020-12458

An information-disclosure vulnerability in Grafana allows unauthorized access to sensitive information.

What is CVE-2020-12458?

Grafana versions up to 6.7.3 have a flaw where the database directory and file are world-readable, potentially leading to the exposure of confidential data.

The Impact of CVE-2020-12458

The vulnerability can result in the disclosure of sensitive information, such as cleartext or encrypted datasource passwords.

Technical Details of CVE-2020-12458

The following technical details provide insight into the vulnerability and its implications.

Vulnerability Description

The flaw in Grafana allows unauthorized users to read the database directory and file, compromising sensitive data.

Affected Systems and Versions

Product: Grafana
Vendor: Grafana
Versions affected: Up to 6.7.3

Exploitation Mechanism

Unauthorized users can exploit the vulnerability by accessing the world-readable database directory and file.

Mitigation and Prevention

Protecting systems from CVE-2020-12458 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Grafana to the latest version that addresses the vulnerability.
Restrict access permissions to the database directory and file.
Monitor and audit access to sensitive data.

Long-Term Security Practices

Regularly review and update access controls on sensitive files and directories.
Implement encryption for sensitive data to prevent unauthorized disclosure.

Patching and Updates

Apply security patches provided by Grafana to fix the information-disclosure vulnerability.