Headline
GHSA-4pcg-wr6c-h9cq: 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]
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2022-39386
fastify/websocket vulnerable to uncaught exception via crash on malformed packet
High severity GitHub Reviewed Published Nov 7, 2022 in fastify/fastify-websocket • Updated Nov 7, 2022
Package
npm @fastify/websocket (npm)
Affected versions
>= 5.0.0, < 5.1.1
>= 6.0.0, < 7.1.1
Patched versions
5.1.1
7.1.1
npm fastify-websocket (npm)
Description
Severity
CVSS base metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
GHSA ID
GHSA-4pcg-wr6c-h9cq
Source code
Related news
@fastify/websocket provides WebSocket support for Fastify. 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. This has been patched in version 7.1.1 (fastify v4) and version 5.0.1 (fastify v3). There are currently no known workarounds. However, it should be possible to attach the error handler manually. The recommended path is upgrading to the patched versions.