Email verification bypass in Grafana

1) Incorrect authorization

EUVDB-ID: #VU89210

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6152

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass email verification.

The vulnerability exists due to email addresses are verified only during sign up, if "verify_email_enabled" option is set. A remote attacker can register an account and then set an arbitrary email address without verification.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Grafana: 2.5.0 - 10.3.1

External links

http://grafana.com/security/security-advisories/cve-2023-6152/
http://github.com/grafana/bugbounty/security/advisories/GHSA-3hv4-r2fm-h27f

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.