QID 375567

Date Published: 2021-05-18

QID 375567: Kibana Denial Of Service Vulnerability (ESA-2021-10)

Kibana is an open source data visualization plugin for Elasticsearch. It provides visualization capabilities on top of the content indexed on an Elasticsearch cluster. Users can create bar, line and scatter plots, or pie charts and maps on top of large volumes of data.

CVE-2021-22139 : A denial of service vulnerability was found in the Kibana webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.

Affected Version:
Kibana versions 7.12.0 and earlier.

QID Detection Logic:(Authenticated)
This authenticated QID checks for Kibana version by running "/usr/share/kibana/bin/kibana --version" command.

QID Detection Logic:(Unauthenticated)
This QID sends a GET request to find if the target is running a vulnerable version of kibana.

Successful exploitation of this vulnerability may allow an attacker to make kibana unavailable for all the other users.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution
    Vendor has released fix to this vulnerability.

    Customers are advised to refer to ESA-2021-10 for more information.

    Vendor References

    CVEs related to QID 375567

    CVE-2021-22139 |
    Software Advisories
    Advisory ID Software Component Link
    ESA-2021-10 URL Logo www.elastic.co/community/security
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