| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|---|---|
| engine.io | ≥ 4.0.0, < 4.1.2≥ 5.0.0, < 5.2.1≥ 6.0.0, < 6.1.1 | 4.1.25.2.16.1.1 |
| engine.io | ≥ 4.0.0, < 4.1.2≥ 5.0.0, < 5.2.1≥ 6.0.0, < 6.1.1 | 4.1.25.2.16.1.1 |
A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process.
RangeError: Invalid WebSocket frame: RSV2 and RSV3 must be clear at Receiver.getInfo (/.../node_modules/ws/lib/receiver.js:176:14) at Receiver.startLoop (/.../node_modules/ws/lib/receiver.js:136:22) at Receiver._write (/.../node_modules/ws/lib/receiver.js:83:10) at writeOrBuffer (internal/streams/writable.js:358:12)
This impacts all the users of the engine.io package starting from version 4.0.0, including those who uses depending packages like socket.io.
A fix has been released for each major branch:
| Version range | Fixed version |
|---|---|
[email protected] | 4.1.2 |
[email protected] | 5.2.1 |
[email protected] | 6.1.1 |
Previous versions (< 4.0.0) are not impacted.
For socket.io users:
| Version range | engine.io version | Needs minor update? |
|---|---|---|
[email protected] | ~6.1.0 | - |
[email protected] | ~6.0.0 | Please upgrade to [email protected] |
[email protected] | ~5.2.0 | - |
[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 | - |
[email protected] | ~4.0.0 | Please upgrade to [email protected] or [email protected] (see here) |
In most cases, running npm audit fix should be sufficient. You can also use npm update engine.io --depth=9999.
There is no known workaround except upgrading to a safe version.
If you have any questions or comments about this advisory:
engine.ioThanks to Marcus Wejderot from Mevisio for the responsible disclosure.
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