CVE-2024-11390: kibana File Upload RCE — Fix

Description

Unrestricted upload of a file with dangerous type in Kibana can lead to arbitrary JavaScript execution in a victim’s browser (XSS) via crafted HTML and JavaScript files. The attacker must have access to the Synthetics app AND/OR have access to write to the synthetics indices.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
elastic	kibana	7.17.6 — 7.17.24
elastic	kibana	8.4.0 — 8.12.0

References

Advisories & Patches

https://discuss.elastic.co/t/kibana-7-17-24-and-8-12-0-security-update-esa-2024-20/377712

Frequently Asked Questions

What is CVE-2024-11390? +

Unrestricted upload of a file with dangerous type in Kibana can lead to arbitrary JavaScript execution in a victim’s browser (XSS) via crafted HTML and JavaScript files. The attacker must have access to the Synthetics app AND/OR have access to write to the synthetics indices. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-11390? +

CVE-2024-11390 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-11390? +

CVE-2024-11390 affects products from elastic, specifically: kibana. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-11390? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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