Security restrictions bypass in Elastic Kibana

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU86228

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-2024-23446

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to Detection Engine Search API does not respect Document-level security (DLS) or Field-level security (FLS) when querying the .alerts-security.alerts-{space_id} indices. A remote user can gain unauthorized access to documents if their roles are configured with DLS or FLS against the aforementioned index.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kibana: 8.0.0 - 8.12.0

External links

http://discuss.elastic.co/t/kibana-8-12-1-security-update-esa-2024-01/352686
http://www.elastic.co/community/security#ESA-2024-01

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.