CVE-2022-44643 : Security Advisory and Response
Discover how CVE-2022-44643 impacts Grafana Enterprise Metrics, allowing unauthorized access and learn how to mitigate this vulnerability effectively. Upgrade to secure versions now.
A vulnerability in the label-based access control of Grafana Labs Grafana Enterprise Metrics allows an attacker more access than intended. This issue affects Grafana Labs Grafana Enterprise Metrics GEM 1.X versions prior to 1.7.1 on AMD64 and GEM 2.X versions prior to 2.3.1 on AMD64.
Understanding CVE-2022-44643
This section provides insights into the nature of the CVE-2022-44643 vulnerability.
What is CVE-2022-44643?
The vulnerability in Grafana Enterprise Metrics enables unauthorized access beyond the intended level when access policies with label selector restrictions are granted access to all tenants.
The Impact of CVE-2022-44643
The impact of this vulnerability is that label selector restrictions are not enforced when using affected versions of Grafana Enterprise Metrics, potentially leading to unauthorized data access.
Technical Details of CVE-2022-44643
This section delves into the technical aspects of CVE-2022-44643.
Vulnerability Description
The vulnerability arises from the failure to apply label selector restrictions when an access policy is granted access to all tenants in the system.
Affected Systems and Versions
Grafana Labs Grafana Enterprise Metrics GEM 1.X versions prior to 1.7.1 on AMD64 and GEM 2.X versions prior to 2.3.1 on AMD64 are affected.
Exploitation Mechanism
When creating an Access Policy in Grafana Enterprise Metrics that is granted access to all tenants along with a specified label matcher, the label matcher is not correctly applied, resulting in unintended access.
Mitigation and Prevention
In this section, we explore ways to mitigate and prevent the CVE-2022-44643 vulnerability.
Immediate Steps to Take
If upgrading is not feasible, it is recommended to discontinue the use of access policies with label selector restrictions.
Long-Term Security Practices
Regularly monitor for security updates and apply patches promptly to prevent exploitation of vulnerabilities.
Patching and Updates
Upgrade to version 1.7.1 or higher in the 1.X line, and version 2.3.1 or higher in the 2.X line to address the CVE-2022-44643 vulnerability.