Inclusion of sensitive information into log files in Kibana

1) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU80899

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31422

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

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

The vulnerability exists due to software stores sensitive information into log files when logging in the JSON layout or when the pattern layout is configured to log the %meta pattern. A local user can read the log files and gain access to sensitive data, such as authentication credentials, cookies, authorization headers, query params, request paths, and other metadata. Some examples of sensitive data which can be included in the logs are account credentials for kibana_system, kibana-metricbeat, or Kibana end-users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kibana: 8.10.0

External links

http://www.elastic.co/community/security#ESA-2023-17

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.