#VU80899 Inclusion of Sensitive Information in Log Files in Kibana - CVE-2023-31422

Vulnerability identifier: #VU80899

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-31422

CWE-ID: CWE-532

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Kibana
Web applications / Other software

Vendor: Elastic Stack

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

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External links
https://www.elastic.co/community/security#ESA-2023-17

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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.