CVE-2020-12459 : Exploit Details and Defense Strategies

In certain Red Hat packages for Grafana 6.x through 6.3.6, the configuration files /etc/grafana/grafana.ini and /etc/grafana/ldap.toml (which contain a secret_key and a bind_password) are world readable.

Understanding CVE-2020-12459

This CVE involves a vulnerability in Grafana packages that could expose sensitive information.

What is CVE-2020-12459?

The vulnerability in Grafana packages allows unauthorized users to read sensitive configuration files containing secret keys and passwords.

The Impact of CVE-2020-12459

The exposure of secret keys and bind passwords could lead to unauthorized access and potential data breaches.

Technical Details of CVE-2020-12459

This section provides more technical insights into the vulnerability.

Vulnerability Description

The configuration files /etc/grafana/grafana.ini and /etc/grafana/ldap.toml in Grafana 6.x through 6.3.6 are world readable, potentially exposing sensitive information.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Grafana 6.x through 6.3.6

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by accessing the world-readable configuration files to obtain secret keys and bind passwords.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Restrict access permissions to the configuration files to prevent unauthorized reading.
Monitor access to sensitive files for any suspicious activities.

Long-Term Security Practices

Regularly review and update access controls on critical files and directories.
Implement encryption for sensitive information to prevent exposure.

Patching and Updates

Apply patches provided by Grafana to address the vulnerability and ensure systems are up to date.