6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.002 Low
EPSS
Percentile
56.9%
A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process.
TypeError: Cannot read properties of undefined (reading 'handlesUpgrades')
at Server.onWebSocket (build/server.js:515:67)
This impacts all the users of the engine.io
package, including those who uses depending packages like socket.io
.
A fix has been released today (2023/05/02): 6.4.2
This bug was introduced in version 5.1.0 and included in version 4.1.0 of the socket.io
parent package. Older versions are not impacted.
For socket.io
users:
Version range | engine.io version |
Needs minor update? |
---|---|---|
[email protected] |
~6.4.0 |
npm audit fix should be sufficient |
[email protected] |
~6.2.0 |
Please upgrade to [email protected] |
[email protected] |
~6.1.0 |
Please upgrade to [email protected] |
[email protected] |
~6.0.0 |
Please upgrade to [email protected] |
[email protected] |
~5.2.0 |
Please upgrade to [email protected] |
[email protected] |
~5.1.1 |
Please upgrade to [email protected] |
[email protected] |
~5.0.0 |
Not impacted |
[email protected] |
~4.1.0 |
Not impacted |
[email protected] |
~4.0.0 |
Not impacted |
[email protected] |
~3.6.0 |
Not impacted |
[email protected] and below |
~3.5.0 |
Not impacted |
There is no known workaround except upgrading to a safe version.
If you have any questions or comments about this advisory:
engine.io
Thanks to Thomas Rinsma from Codean for the responsible disclosure.
github.com/advisories/GHSA-q9mw-68c2-j6m5
github.com/socketio/engine.io/commit/fc480b4f305e16fe5972cf337d055e598372dc44
github.com/socketio/engine.io/releases/tag/6.4.2
github.com/socketio/engine.io/security/advisories/GHSA-q9mw-68c2-j6m5
nvd.nist.gov/vuln/detail/CVE-2023-31125
security.netapp.com/advisory/ntap-20230622-0002/