GitHub Advisoryadvisory · npm

GHSA-r7qp-cfhv-p84w Uncaught exception in engine.io

MEDIUM Published 2022-11-21 Modified 2022-12-08 Official page ↗
Aliases
CVE-2022-41940
Ecosystem
npm
Packages
engine.io
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-248
Reviewed
2022-11-21

Affected packages

• npm engine.io: < 3.6.1 → fixed in 3.6.1 • npm engine.io: >= 4.0.0, < 6.2.1 → fixed in 6.2.1

Description

Impact A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. ``` events.js:292 throw er; // Unhandled 'error' event ^ Error: read ECONNRESET at TCP.onStreamRead (internal/stream_base_commons.js:209:20) Emitted 'error' event on Socket instance at: at emitErrorNT (internal/streams/destroy.js:106:8) at emitErrorCloseNT (internal/streams/destroy.js:74:3) at processTicksAndRejections (internal/process/task_queues.js:80:21) { errno: -104, code: 'ECONNRESET', syscall: 'read' } ``` This impacts all the users of the `engine.io` package, including those who uses depending packages like `socket.io`. Patches A fix has been released today (2022/11/20): | Version range | Fixed version | |-------------------|---------------| | `[email protected]` | `3.6.1` | | `[email protected]` | `6.2.1` | For `socket.io` users: | Version range | `engine.io` version | Needs minor update? | |-----------------------------|---------------------|--------------------------------------------------------------------------------------------------------| | `[email protected]` | `~6.2.0` | `npm audit fix` should be sufficient | | `[email protected]` | `~6.1.0` | Please upgrade to `[email protected]` | | `[email protected]` | `~6.0.0` | Please upgrade to `[email protected]` | | `[email protected]` | `~5.2.0` | Please upgrade to `[email protected]` | | `[email protected]` | `~5.1.1` | Please upgrade to `[email protected]` | | `[email protected]` | `~5.0.0` | Please upgrade to `[email protected]` | | `[email protected]` | `~4.1.0` | Please upgrade to `[email protected]` (see here) | | `[email protected]` | `~4.0.0` | Please upgrade to `[email protected]` (see here) | | `[email protected]` | `~3.6.0` | `npm audit fix` should be sufficient | | `[email protected]` and below | `~3.5.0` | Please upgrade to `[email protected]` | Workarounds There is no known workaround except upgrading to a safe version. For more information If you have any questions or comments about this advisory: • Open an issue in `engine.io` Thanks to Jonathan Neve for the responsible disclosure.

Related

Alias · CVE (1)

  • CVE-2022-41940 Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. vulnerability

Weakness · CWE (1)

  • CWE-248 Uncaught Exception weakness

References