CVE-2022-41940

Summary

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, including those who uses depending packages like socket.io. There is no known workaround except upgrading to a safe version. There are patches for this issue released in versions 3.6.1 and 6.2.1.

Affected Software

Weaknesses

• CWE-248: CWE-248: Uncaught Exception

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/socketio/engine.io/security/advisories/GHSA-r7qp-cfhv-p84w
• https://github.com/socketio/engine.io/commit/425e833ab13373edf1dd5a0706f07100db14e3c6
• https://github.com/socketio/engine.io/commit/83c4071af871fc188298d7d591e95670bf9f9085

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/socketio/engine.io/security/advisories/GHSA-r7qp-cfhv-p84w
• https://github.com/socketio/engine.io/commit/425e833ab13373edf1dd5a0706f07100db14e3c6
• https://github.com/socketio/engine.io/commit/83c4071af871fc188298d7d591e95670bf9f9085

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