Information disclosure in Grafana

1) Information disclosure

EUVDB-ID: #VU71740

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23498

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to all headers being cached, when datasource query caching is enabled (including when rotating the Grafana session cookie via a Set-Cookie grafana_session header). A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Grafana: 8.3.0 - 9.3.2

External links

http://github.com/grafana/grafana/security/advisories/GHSA-2j8f-6whh-frc8

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.