CVE-2024-21536: http-proxy-middlew DoS

Description

Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
chimurai	http-proxy-middleware	< 2.0.7
chimurai	http-proxy-middleware	3.0.0 — 3.0.3

References

Advisories & Patches

https://github.com/chimurai/http-proxy-middleware/commit/0b4274e8cc9e9a2c5a06f35fbf456ccfcebc55a5 https://github.com/chimurai/http-proxy-middleware/commit/788b21e4aff38332d6319557d4a5b1b13b1f9a22

Exploits

https://gist.github.com/mhassan1/28be67266d82a53708ed59ce5dc3c94a

Other References

https://security.snyk.io/vuln/SNYK-JS-HTTPPROXYMIDDLEWARE-8229906

Frequently Asked Questions

What is CVE-2024-21536? +

Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-21536? +

CVE-2024-21536 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21536? +

CVE-2024-21536 affects products from chimurai, specifically: http-proxy-middleware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21536? +

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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