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CVE-2022-31142

7.5 · HIGH

@fastify/bearer-auth is a Fastify plugin to require bearer Authorization headers.

Published Jul 14, 2022CWE-208EPSS 1.50%

Overview

CVE-2022-31142 is a high-severity vulnerability. It was published on July 14, 2022 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/bearer-auth is a Fastify plugin to require bearer Authorization headers. @fastify/bearer-auth prior to versions 7.0.2 and 8.0.1 does not securely use crypto.timingSafeEqual. A malicious attacker could estimate the length of one valid bearer token. According to the corresponding RFC 6750, the bearer token has only base64 valid characters, reducing the range of characters for a brute force attack. Version 7.0.2 and 8.0.1 of @fastify/bearer-auth contain a patch. There are currently no known workarounds. The package fastify-bearer-auth, which covers versions 6.0.3 and prior, is also vulnerable starting at version 5.0.1. Users of fastify-bearer-auth should upgrade to a patched version of @fastify/bearer-auth.

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-bearer-auth/commit/0c468a616d7e56126dc468150f6a5a92e530b8e4GitHubgithub.com/fastify/fastify-bearer-auth/commit/39353b15409ee99474545f615ffb16180cf3b716GitHubgithub.com/fastify/fastify-bearer-auth/commit/f921a0582dc83112039004a9b5041141b50c5b3fGitHubgithub.com/fastify/fastify-bearer-auth/security/advisories/GHSA-376v-xgjx-7mfrRefhackerone.com/reports/1633287GitHubgithub.com/fastify/fastify-bearer-auth/commit/0c468a616d7e56126dc468150f6a5a92e530b8e4GitHubgithub.com/fastify/fastify-bearer-auth/commit/39353b15409ee99474545f615ffb16180cf3b716GitHubgithub.com/fastify/fastify-bearer-auth/commit/f921a0582dc83112039004a9b5041141b50c5b3fGitHubgithub.com/fastify/fastify-bearer-auth/security/advisories/GHSA-376v-xgjx-7mfrRefhackerone.com/reports/1633287

How CyberStrike helps

Frequently asked questions

What is CVE-2022-31142?

CVE-2022-31142 is a high-severity vulnerability. It was published on July 14, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-31142?

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-2022-31142?

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-2022-31142?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-31142 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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