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CVE-2024-37890

7.5 · HIGH

ws is an open source WebSocket client and server for Node.js.

Published Jun 17, 2024CWE-476EPSS 1.36%

Overview

CVE-2024-37890 is a high-severity vulnerability. It was published on June 17, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ws is an open source WebSocket client and server for Node.js. A request with a number of headers exceeding theserver.maxHeadersCount threshold could be used to crash a ws server. The vulnerability was fixed in [email protected] (e55e510) and backported to [email protected] (22c2876), [email protected] (eeb76d3), and [email protected] (4abd8f6). In vulnerable versions of ws, the issue can be mitigated in the following ways: 1. Reduce the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options so that no more headers than the server.maxHeadersCount limit can be sent. 2. Set server.maxHeadersCount to 0 so that no limit is applied.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917fGitHubgithub.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377eGitHubgithub.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52cGitHubgithub.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63GitHubgithub.com/websockets/ws/issues/2230GitHubgithub.com/websockets/ws/pull/2231GitHubgithub.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6qRefnodejs.org/api/http.html#servermaxheaderscountGitHubgithub.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917fGitHubgithub.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e

How CyberStrike helps

Frequently asked questions

What is CVE-2024-37890?

CVE-2024-37890 is a high-severity vulnerability. It was published on June 17, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-37890?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-37890?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-37890?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-37890 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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