CVE-2024-38355: Input Validation Flaw (CVSS 7.3)

Description

Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `[email protected]` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-754 CWE-754

References

Other References

https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115 https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c https://github.com/socketio/socket.io/security/advisories/GHSA-25hc-qcg6-38wj https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115 https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c https://github.com/socketio/socket.io/security/advisories/GHSA-25hc-qcg6-38wj https://www.vicarius.io/vsociety/posts/unhandled-exception-in-socketio-cve-2024-38355

Frequently Asked Questions

What is CVE-2024-38355? +

Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `[email protected]` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-38355? +

CVE-2024-38355 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-38355? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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