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Elasticsearch and Liferay Enterprise Search Security Advisory: Nov 12, 2021

The following issues may affect the functionality of your Liferay DXP, Liferay Enterprise Search environment and your Elastic Stack.

Deployments which might be impacted

  • Kibana versions 7.8+ (specific affected versions are indicated under each vulnerability)

Vulnerability Information

Kibana Path Traversal issue (ESA-2021-26)

It was discovered that on Windows operating systems specifically, Kibana was not validating a user supplied path, which would load .pbf files. Because of this, a malicious user could arbitrarily traverse the Kibana host to load internal files ending in the .pbf extension.
Thanks to Dominic Couture for finding this vulnerability.

Affected Versions:

All versions from 7.9.0 through 7.15.1

Solutions and Mitigations:
Users should upgrade to Kibana version 7.15.2

CVSSv3: 3.1 - AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVE ID: CVE-2021-37938

Kibana Information Disclosure issue (ESA-2021-27)

It was discovered that Kibana’s JIRA connector & IBM Resilient connector could be used to return HTTP response data on internal hosts, which may be intentionally hidden from public view. Using this vulnerability, a malicious user with the ability to create connectors, could utilize these connectors to view limited HTTP response data on hosts accessible to the cluster.

Affected Versions:

All versions from 7.8.0 through 7.15.1

Solutions and Mitigations:

Users should upgrade to Kibana version 7.15.2

CVSSv3: 4.1 - AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
CVE ID: CVE-2021-37939

Additional Information

Liferay's Elasticsearch connectors and out-of-the-box features are not using API keys.

Search Engine Compatibility Matrix

Reference the information here for the detailed Elasticsearch compatibility including the compatible connector versions and required patch levels.

Vendor References

https://discuss.elastic.co/t/kibana-7-15-2-security-update/288923/1


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