Information disclosure in Grafana

1) Unprotected storage of credentials

EUVDB-ID: #VU21237

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-2019-15635

CWE-ID: CWE-256 - Unprotected Storage of Credentials

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to an error in encrypt-datasource-passwords data migration command that failed to encrypt user credentials for various data sources. A local user can view migration settings and reveal database credentials.

Note, this vulnerability can be exploited via Grafana web UI by pressing the "Save and test" button within a data source's settings menu.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Grafana: 6.2.5

External links

http://exchange.xforce.ibmcloud.com/vulnerabilities/167244
http://github.com/grafana/grafana/pull/18014
http://github.com/grafana/grafana/issues/17948

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.