Asymmetric denial of service In mercurius
Description
mercurius has Uncaught Exception when using subscriptions
Impact
Any users of Mercurius until version v11.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to /graphql.
Patches
This was patched in https://github.com/mercurius-js/mercurius/pull/940. The patch was released as v11.5.0 and v8.13.2.
Workarounds
Disable subscriptions.
References
Reported publicly as https://github.com/mercurius-js/mercurius/issues/939. The same problem was solved in https://github.com/fastify/fastify-websocket/pull/228
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 npm | 11.5.0, 8.13.2 |
Aliases
1. 2. 3. 4. 5.
References
1. 2. 3. 4.