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Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-grme-mexy-7bbj
Summary
Grafana folders admin only permission privilege escalation
Today we are releasing Grafana 9.1.6, 9.0.9, 8.5.13. This patch release includes a Moderate severity security fix for CVE-2022-36062 that affects Grafana instances which are using Grafana role-based access control (RBAC).

Release 9.1.6, latest patch, also containing security fix:

- [Download Grafana 9.1.6](https://grafana.com/grafana/download/9.1.6)
- [Release notes](https://grafana.com/docs/grafana/latest/release-notes/release-notes-9-1-6/)

Release 9.0.9, only containing security fix:

- [Download Grafana 9.0.9](https://grafana.com/grafana/download/9.0.9)
- [Release notes](https://grafana.com/docs/grafana/latest/release-notes/release-notes-9-0-9/)

Release 8.5.13, only containing security fix:

- [Download Grafana 8.5.13](https://grafana.com/grafana/download/8.5.13)
- [Release notes](https://grafana.com/docs/grafana/latest/release-notes/release-notes-8-5-13/)

Appropriate patches have been applied to [Grafana Cloud](https://grafana.com/cloud) and as always, we closely coordinated with all cloud providers licensed to offer Grafana Pro. They have received early notification under embargo and confirmed that their offerings are secure at the time of this announcement. This is applicable to Amazon Managed Grafana and Azure's Grafana as a service offering.

## Privilege escalation (CVE-2022-36062)

### Summary 

On August 29 we have received a bug report for Grafana role-based access control (RBAC) and confirmed a vulnerability in the Grafana. This vulnerability impacts folders/dashboards with Admin only permissions and where RBAC was ever enabled at least once.

When RBAC is enabled, Grafana runs migrations which translate legacy access control permissions into RBAC permissions. The migrations contain a bug, which grants additional access to folders/dashboards which only had Admin role grant, resulting in a privilege escalation where Editors can edit and Viewers can view the folder/dashboard which they should not have access to.

The CVSS score for this vulnerability is 6.4 Moderate (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L).

### Impacted versions

All Grafana installations where the [RBAC](https://grafana.com/docs/grafana/latest/administration/roles-and-permissions/access-control/) was at least enabled once and there are folders/dashboards with only Admin grant.

### Solutions and mitigations

To fully address CVE-2022-36062 please upgrade your Grafana instances. They are only required if you have ever enabled RBAC and have dashboards/folders where Admin is the only permission..

If you can’t upgrade, as a workaround when impacted folder/dashboard is known, the additional permissions can be removed manually.

Appropriate patches have been applied to [Grafana Cloud](https://grafana.com/cloud).

### Timeline

Here is a timeline starting from when we originally learned of the issue. 

* 2022-08-27: External report received about a bug in Grafana role-based access control.
* 2022-08-30: The bug is confirmed as a vulnerability.
* 2022-08-31: Mitigation is applied to Grafana Cloud.
* 2022-08-31: Release timeline determined: 2022-09-06 for private customer release, 2022-09-20 for public release.
* 2022-09-06: Private release.
* 2022-09-20: Public release.

## Reporting security issues

If you think you have found a security vulnerability, please send a report to security@grafana.com. This address can be used for all of Grafana Labs' open source and commercial products (including, but not limited to Grafana, Grafana Cloud, Grafana Enterprise, and grafana.com). We can accept only vulnerability reports at this address. We would prefer that you encrypt your message to us by using our PGP key. The key fingerprint is

F988 7BEA 027A 049F AE8E 5CAA D125 8932 BE24 C5CA

The key is available from keyserver.ubuntu.com.

## Security announcements

We maintain a [security category](https://community.grafana.com/c/support/security-announcements) on our blog, where we will always post a summary, remediation, and mitigation details for any patch containing security fixes.

You can also subscribe to our [RSS feed](https://grafana.com/tags/security/index.xml).
Aliases
0
alias CVE-2022-36062
1
alias GHSA-p978-56hq-r492
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Affected_packages
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Weaknesses
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cwe_id 281
name Improper Preservation of Permissions
description The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.
Exploits
Severity_range_score6.4 - 8.9
Exploitabilitynull
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