Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS00cGNnLXdyNmMtaDljcc4AAvu9

fastify/websocket vulnerable to uncaught exception via crash on malformed packet

Impact

Any application using @fastify/websocket could crash if a specific, malformed packet is sent.

All versions of fastify-websocket are also impacted. That module is deprecated, so it will not be patched.

Patches

This has been patched in v7.1.1 (fastify v4) and v5.0.1 (fastify v3).

Workarounds

No known workaround is available. However, it should be possible to attach the error handler manually.
The recommended path is upgrading to the patched versions.

Credits

marcolanaro for finding and patching this vulnerability

For more information

If you have any questions or comments about this advisory:

• Open an issue in @fastify/websocket
• Email us at [email protected]

Permalink: https://github.com/advisories/GHSA-4pcg-wr6c-h9cq
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS00cGNnLXdyNmMtaDljcc4AAvu9
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 2 years ago
Updated: over 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-4pcg-wr6c-h9cq, CVE-2022-39386
References:

• https://github.com/fastify/fastify-websocket/security/advisories/GHSA-4pcg-wr6c-h9cq
• https://github.com/fastify/fastify-websocket/releases/tag/v5.0.1
• https://github.com/fastify/fastify-websocket/releases/tag/v7.1.1
• https://nvd.nist.gov/vuln/detail/CVE-2022-39386
• https://github.com/fastify/fastify-websocket/pull/228
• https://github.com/fastify/fastify-websocket/commit/7e8c41a51c101c3d5ce88caee4f71d9c29eb2863
• https://github.com/fastify/fastify-websocket/commit/c24adeb3efd57a18b2f287c35d029e88b5a47194
• https://github.com/advisories/GHSA-4pcg-wr6c-h9cq

Repository: https://github.com/fastify/fastify-websocket
Blast Radius: 19.8

Affected Packages