Vulnerability identifier: #VU64402

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21673

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grafana
Web applications / Other software

Vendor: Grafana Labs

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user can pass a specially crafted query to the data source with an API token and Forward OAuth Identity feature enabled to gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grafana: 7.5.0 - 7.5.12, 7.3.0 - 7.3.10, 7.4.0 - 7.4.5, 7.2.1 - 7.2.3, 8.3.0 - 8.3.3, 8.2.0 - 8.2.7, 8.1.0 - 8.1.8, 8.0.0 - 8.0.7

---

External links
http://github.com/grafana/grafana/security/advisories/GHSA-8wjh-59cw-9xh4
http://github.com/grafana/grafana/releases/tag/v8.3.4
http://github.com/grafana/grafana/releases/tag/v7.5.13
http://security.netapp.com/advisory/ntap-20220303-0004/
http://bugzilla.redhat.com/show_bug.cgi?id=2044628

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.