Vulnerability identifier: #VU53541

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22142

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kibana
Web applications / Other software

Vendor: Elastic Stack

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to Kibana contains an embedded version of the Chromium browser that the Reporting feature uses to generate the downloadable reports. A remote user with permissions to generate reports can render arbitrary HTML with this Chromium browser and try to leverage known Chromium vulnerabilities to conduct further attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kibana: 7.12.0 - 7.12.1, 7.11.0 - 7.11.2, 7.10.0 - 7.10.2, 7.9.0 - 7.9.3, 7.8.0 - 7.8.1, 7.7.0 - 7.7.1, 7.6.0 - 7.6.2, 7.5.0 - 7.5.2, 7.4.0 - 7.4.2, 7.3.0 - 7.3.2, 7.2.0 - 7.2.1, 7.1.0 - 7.1.1, 7.0.0 - 7.0.1

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External links
http://www.elastic.co/community/security#ESA-2021-12

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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