CVE-2021-22142 : Vulnerability Insights and Analysis

Kibana Reporting vulnerabilities in the embedded Chromium browser poses a risk of code execution through arbitrary HTML rendering.

Understanding CVE-2021-22142

This CVE focuses on the risks associated with Kibana's use of Chromium for report generation.

What is CVE-2021-22142?

Kibana contains an embedded version of the Chromium browser used for generating downloadable reports. Exploiting vulnerabilities in Chromium could allow malicious actors to execute arbitrary code.

The Impact of CVE-2021-22142

The vulnerability poses a risk of executing code through arbitrary HTML rendering, potentially leading to further attacks exploiting known Chromium vulnerabilities.

Technical Details of CVE-2021-22142

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

Kibana's use of an embedded Chromium browser allows users with report generation permissions to render arbitrary HTML, potentially leveraging known Chromium vulnerabilities for further attacks.

Affected Systems and Versions

Product: Kibana
Vendor: Elastic
Versions Affected: 7.0.0 to less than 7.13.0

Exploitation Mechanism

Malicious users with report generation permissions can exploit the embedded Chromium browser to execute arbitrary code through HTML rendering.

Mitigation and Prevention

Understanding how to address and prevent the risks associated with CVE-2021-22142.

Immediate Steps to Take

Update Kibana to version 7.13.0 or newer to mitigate the vulnerability.
Restrict user permissions to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update Kibana and associated components to address emerging vulnerabilities.

Patching and Updates

Stay informed about security updates from Elastic to patch vulnerabilities and enhance system security.