Résumé
Socket.IO: Zero-attachment Memory Exhaustion
Détails de l’avis
Impact
A specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory.
Patches
| Version range | Used by | Fixed version |
|---|---|---|
>=4.0.0 <4.2.7 |
socket.io@4.x and socket.io-client@4.x |
4.2.7 |
>=3.4.0 <3.4.5 |
socket.io@2.x |
3.4.5 |
<3.3.6 |
socket.io-client@2.x |
3.3.6 |
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
Références
- https://github.com/advisories/GHSA-2m8v-j782-fhvr
- https://github.com/socketio/socket.io/security/advisories/GHSA-2m8v-j782-fhvr
- https://github.com/socketio/socket.io/commit/7c6ef571a00656718e9e05e3b948fd1758b2a7b4
- https://github.com/socketio/socket.io/commit/9c6323e5cde41bd75df3379b5fc9293664a5f240
- https://github.com/socketio/socket.io/commit/ced94ffa3ac020a8f3c14eb98a3bf34acb14d291
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