CVE-2022-21676
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users of the `engine.io` package starting from version `4.0.0`, including those who uses depending packages like `socket.io`. Versions prior to `4.0.0` are not impacted. A fix has been released for each major branch, namely `4.1.2` for the `4.x.x` branch, `5.2.1` for the `5.x.x` branch, and `6.1.1` for the `6.x.x` branch. There is no known workaround except upgrading to a safe version.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.76% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-754, CWE-755
- Affected
- socket/engine.io
- Source
- security-advisories@github.com
References
- https://github.com/socketio/engine.io/commit/66f889fc1d966bf5bfa0de1939069153643874abPatch, Third Party Advisory
- https://github.com/socketio/engine.io/commit/a70800d7e96da32f6e6622804ef659ebc58659dbPatch, Third Party Advisory
- https://github.com/socketio/engine.io/commit/c0e194d44933bd83bf9a4b126fca68ba7bf5098cPatch, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/4.1.2Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/5.2.1Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/6.1.1Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/security/advisories/GHSA-273r-mgr4-v34fThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220209-0002/Third Party Advisory
- https://github.com/socketio/engine.io/commit/66f889fc1d966bf5bfa0de1939069153643874abPatch, Third Party Advisory
- https://github.com/socketio/engine.io/commit/a70800d7e96da32f6e6622804ef659ebc58659dbPatch, Third Party Advisory
- https://github.com/socketio/engine.io/commit/c0e194d44933bd83bf9a4b126fca68ba7bf5098cPatch, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/4.1.2Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/5.2.1Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/releases/tag/6.1.1Release Notes, Third Party Advisory
- https://github.com/socketio/engine.io/security/advisories/GHSA-273r-mgr4-v34fThird Party Advisory
- https://security.netapp.com/advisory/ntap-20220209-0002/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.