GHSA-rhxj-gh46-jvw8 Grafana Plugin signature bypass

• Go github.com/grafana/grafana: >= 9.0.0, < 9.1.8 → fixed in 9.1.8 • Go github.com/grafana/grafana: >= 7.0.0, < 8.5.14 → fixed in 8.5.14

Today we are releasing Grafana 9.2. Alongside with new features and other bug fixes, this release includes a Moderate severity security fix for CVE-2022-31123 We are also releasing security patches for Grafana 9.1.8 and Grafana 8.5.14 to fix these issues. Release 9.2, latest release, also containing security fix: • Download Grafana 9.2 Release 9.1.8, only containing security fix: • Download Grafana 9.1.8 Release 8.5.14, only containing security fix: • Download Grafana 8.5.14 Appropriate patches have been applied to Grafana 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. CVE-2022-31123 Summary On July 4th as a result of an internal security audit we have discovered a bypass in the plugin signature verification by exploiting a versioning flaw. We believe that this vulnerability is rated at CVSS 6.1 (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L). Impact An attacker can convince a server admin to download and successfully run a malicious plugin even though unsigned plugins are not allowed. Impacted versions All installations for Grafana versions <=9.x, <=8.x, <=7.x Solutions and mitigations To fully address CVE-2022-31123 please upgrade your Grafana instances. Appropriate patches have been applied to Grafana Cloud. Reporting security issues If you think you have found a security vulnerability, please send a report to [email protected]. 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 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.