Headline
GHSA-rhxj-gh46-jvw8: Grafana Plugin signature bypass
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:
Release 9.1.8, only containing security fix:
Release 8.5.14, only containing security fix:
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.
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.
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.
References
- GHSA-rhxj-gh46-jvw8
- https://nvd.nist.gov/vuln/detail/CVE-2022-31123
- https://github.com/grafana/grafana/releases/tag/v9.1.8
- https://security.netapp.com/advisory/ntap-20221124-0002/
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Grafana is an open source observability and data visualization platform. Versions prior to 9.1.8 and 8.5.14 are vulnerable to a bypass in the plugin signature verification. An attacker can convince a server admin to download and successfully run a malicious plugin even though unsigned plugins are not allowed. Versions 9.1.8 and 8.5.14 contain a patch for this issue. As a workaround, do not install plugins downloaded from untrusted sources.