Vulnerability identifier: #VU65353

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31107

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grafana
Web applications / Other software

Vendor: Grafana Labs

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in OAuth implementation routine. A remote attacker can bypass authentication process and login under arbitrary account.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grafana: 9.0.0 - 9.0.2, 8.5.0 - 8.5.6, 8.4.0 - 8.4.7, 8.3.0 - 8.3.7, 8.2.0 - 8.2.7, 8.1.0 - 8.1.8, 8.0.0 - 8.0.7

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External links
http://github.com/grafana/grafana/releases/tag/v8.4.10
http://github.com/grafana/grafana/releases/tag/v9.0.3
http://github.com/grafana/grafana/releases/tag/v8.5.9
http://github.com/grafana/grafana/releases/tag/v8.3.10
http://github.com/grafana/grafana/pull/52279
http://github.com/grafana/grafana/security/advisories/GHSA-mx47-6497-3fv2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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