CVE-2019-19040 : What You Need to Know

A Cross-Site Scripting (XSS) vulnerability has been discovered in versions up to 1.2.2 of KairosDB. The vulnerability exists in the view.html file, specifically within the showErrorMessage function in the js/graph.js script. An attacker can exploit this vulnerability by making a request to view.html?q= and including a substring like '"sampling":{"value":"<script>' as the value. It is recommended to update to a patched version to mitigate this vulnerability.

Understanding CVE-2019-19040

This CVE involves a Cross-Site Scripting (XSS) vulnerability in KairosDB versions up to 1.2.2.

What is CVE-2019-19040?

CVE-2019-19040 is a security vulnerability in KairosDB that allows attackers to execute malicious scripts in the context of a user's browser.

The Impact of CVE-2019-19040

Attackers can exploit this vulnerability to execute arbitrary code in the victim's browser, leading to potential data theft, session hijacking, or defacement of web pages.

Technical Details of CVE-2019-19040

This section provides more technical insights into the vulnerability.

Vulnerability Description

The XSS vulnerability in KairosDB versions up to 1.2.2 allows attackers to inject and execute malicious scripts through the showErrorMessage function in the js/graph.js script.

Affected Systems and Versions

Affected versions: up to 1.2.2 of KairosDB

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted request to view.html?q= with specific malicious input.

Mitigation and Prevention

Protect your systems from CVE-2019-19040 with these mitigation strategies.

Immediate Steps to Take

Update KairosDB to a patched version (beyond 1.2.2) to eliminate the XSS vulnerability.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks.
Regularly monitor and audit web applications for security vulnerabilities.

Patching and Updates

Stay informed about security updates for KairosDB and promptly apply patches to address known vulnerabilities.