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GHSA-cqmj-92xf-r6r9

Insufficient validation when decoding a Socket.IO packet

Source: GitHub Advisory Database (reviewed) Moderate CVE-2023-32695

Packages

EcosystemPackageAffectedFixed in
npm socket.io-parser >= 4.0.4, < 4.2.3 4.2.3
npm socket.io-parser >= 3.4.0, < 3.4.3 3.4.3
npm socket.io-parser < 3.3.4 3.3.4

Details

As written in the advisory (Markdown source, shown as plain text).

### 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](https://github.com/socketio/socket.io/commit/9890b036cf942f6b6ad2afeb6a8361c32cd5d528)) | `npm audit fix` should be sufficient | | `4.1.3...4.5.1` | `~4.1.1` ([ref](https://github.com/socketio/socket.io/commit/7c44893d7878cd5bba1eff43150c3e664f88fb57)) | Please upgrade to `[email protected]` | | `3.0.5...4.1.2` | `~4.0.3` ([ref](https://github.com/socketio/socket.io/commit/752dfe3b1e5fecda53dae899b4a39e6fed5a1a17)) | Please upgrade to `[email protected]` | | `3.0.0...3.0.4` | `~4.0.1` ([ref](https://github.com/socketio/socket.io/commit/1af3267e3f5f7884214cf2ca4d5282d620092fb0)) | Please upgrade to `[email protected]` | | `2.3.0...2.5.0` | `~3.4.0` ([ref](https://github.com/socketio/socket.io/commit/cf39362014f5ff13a17168b74772c43920d6e4fd)) | `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](https://github.com/socketio/socket.io/discussions) Thanks to [@rafax00](https://github.com/rafax00) for the responsible disclosure.

References

External links from the advisory. They lead to third-party sites.