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CVE-2023-25576

7.5 · HIGH

@fastify/multipart is a Fastify plugin to parse the multipart content-type.

Published Feb 14, 2023CWE-770EPSS 1.46%

Overview

CVE-2023-25576 is a high-severity vulnerability. It was published on February 14, 2023 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

@fastify/multipart is a Fastify plugin to parse the multipart content-type. Prior to versions 7.4.1 and 6.0.1, @fastify/multipart may experience denial of service due to a number of situations in which an unlimited number of parts are accepted. This includes the multipart body parser accepting an unlimited number of file parts, the multipart body parser accepting an unlimited number of field parts, and the multipart body parser accepting an unlimited number of empty parts as field parts. This is fixed in v7.4.1 (for Fastify v4.x) and v6.0.1 (for Fastify v3.x). There are no known workarounds.

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/fastify/fastify-multipart/commit/85be81bedf5b29cfd9fe3efc30fb5a17173c1297GitHubgithub.com/fastify/fastify-multipart/releases/tag/v6.0.1GitHubgithub.com/fastify/fastify-multipart/releases/tag/v7.4.1GitHubgithub.com/fastify/fastify-multipart/security/advisories/GHSA-hpp2-2cr5-pf6gRefhackerone.com/reports/1816195GitHubgithub.com/fastify/fastify-multipart/commit/85be81bedf5b29cfd9fe3efc30fb5a17173c1297GitHubgithub.com/fastify/fastify-multipart/releases/tag/v6.0.1GitHubgithub.com/fastify/fastify-multipart/releases/tag/v7.4.1GitHubgithub.com/fastify/fastify-multipart/security/advisories/GHSA-hpp2-2cr5-pf6gRefhackerone.com/reports/1816195

How CyberStrike helps

Frequently asked questions

What is CVE-2023-25576?

CVE-2023-25576 is a high-severity vulnerability. It was published on February 14, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-25576?

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-2023-25576?

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-2023-25576?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-25576 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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