Security restrictions bypass in Elastic Cloud on Kubernetes

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU81124

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-31416

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to secret token configuration is never applied when using ECK with APM Server. A remote non-authenticated attacker can send anonymous requests to an APM Server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Elastic Cloud on Kubernetes: 0.8 - 2.7

CPE2.3

• cpe:2.3:a:elastic_stack:eck:0.8:*:*:*:*:*:*:*
• cpe:2.3:a:elastic_stack:eck:0.9:*:*:*:*:*:*:*
• cpe:2.3:a:elastic_stack:eck:1.0:*:*:*:*:*:*:*

External links

https://www.elastic.co/community/security#ESA-2023-11

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.