GHSA-cqmj-92xf-r6r9 Insufficient validation when decoding a Socket.IO packet

• npm socket.io-parser: >= 4.0.4, < 4.2.3 → fixed in 4.2.3 • npm socket.io-parser: >= 3.4.0, < 3.4.3 → fixed in 3.4.3 • npm socket.io-parser: < 3.3.4 → fixed in 3.3.4

Impact A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. ``` TypeError: Cannot convert object to primitive value at Socket.emit (node:events:507:25) at .../node_modules/socket.io/lib/socket.js:531:14 ``` Patches A fix has been released today (2023/05/22): • https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3, included in `[email protected]` • https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced, included in `[email protected]` Another fix has been released for the `3.3.x` branch: • https://github.com/socketio/socket.io-parser/commit/ee006607495eca4ec7262ad080dd3a91439a5ba4, included in `[email protected] | `socket.io` version | `socket.io-parser` version | Needs minor update? | |---------------------|---------------------------------------------------------------------------------------------------------|--------------------------------------| | `4.5.2...latest` | `~4.2.0` (ref) | `npm audit fix` should be sufficient | | `4.1.3...4.5.1` | `~4.1.1` (ref) | Please upgrade to `[email protected]` | | `3.0.5...4.1.2` | `~4.0.3` (ref) | Please upgrade to `[email protected]` | | `3.0.0...3.0.4` | `~4.0.1` (ref) | Please upgrade to `[email protected]` | | `2.3.0...2.5.0` | `~3.4.0` (ref) | `npm audit fix` should be sufficient | 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 a discussion here Thanks to @rafax00 for the responsible disclosure.