Analyzing the provided data, we can delve into the characteristics of Socket.IO version 0.3.8, a release from December 2010. It's presented as "Sockets for the rest of us," suggesting an ease-of-use ethos, potentially targeting developers seeking simpler real-time communication solutions. The MIT license indicates a permissive, developer-friendly approach, allowing for modification and distribution, which is crucial for open-source projects adopted in diverse commercial contexts.
The repository URL points to LearnBoost's GitHub account, highlighting the origin and potential community support affiliated with the project. The dist field provides the tarball URL, critical for package managers like npm to efficiently install the library.
However, crucial information is missing: we lack data about the *previous* stable version. Without this, pinpointing specific differences or improvements is impossible. To fully evaluate version 0.3.8, we would ideally compare it against its predecessor, examining changes to the core API, performance enhancements, bug fixes, newly supported protocols, security updates, and architectural refinements.
For developers considering Socket.IO 0.3.8 (or any version), it's critical to consult the project changelog if its disponible, documentation, and community forums. These resources clarify the specific feature set, known issues, and ideal use cases for that particular version. Evaluating its compatibility with current technology stacks and frameworks is vital before committing to its integration. If the previous version is available, focusing on it's release date and differences with the current version would be advisable.
All the vulnerabilities related to the version 0.3.8 of the package
Insecure randomness in socket.io
Affected versions of socket.io depend on Math.random() to create socket IDs, and therefore the IDs are predictable. With enough information on prior IDs, an attacker may be able to guess the socket ID and gain access to socket.io servers without authorization.
Update to v0.9.7 or later.
CORS misconfiguration in socket.io
The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.
socket.io has an unhandled 'error' event
A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process.
node:events:502
throw err; // Unhandled 'error' event
^
Error [ERR_UNHANDLED_ERROR]: Unhandled error. (undefined)
at new NodeError (node:internal/errors:405:5)
at Socket.emit (node:events:500:17)
at /myapp/node_modules/socket.io/lib/socket.js:531:14
at process.processTicksAndRejections (node:internal/process/task_queues:77:11) {
code: 'ERR_UNHANDLED_ERROR',
context: undefined
}
| Version range | Needs minor update? |
|------------------|------------------------------------------------|
| 4.6.2...latest | Nothing to do |
| 3.0.0...4.6.1 | Please upgrade to socket.io@4.6.2 (at least) |
| 2.3.0...2.5.0 | Please upgrade to socket.io@2.5.1 |
This issue is fixed by https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115, included in socket.io@4.6.2 (released in May 2023).
The fix was backported in the 2.x branch today: https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c
As a workaround for the affected versions of the socket.io package, you can attach a listener for the "error" event:
io.on("connection", (socket) => {
socket.on("error", () => {
// ...
});
});
If you have any questions or comments about this advisory:
Thanks a lot to Paul Taylor for the responsible disclosure.