Description

Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.

Remediation

References

https://blog.caller.xyz/socketio-engineio-dos/

https://github.com/bcaller/kill-engine-io

https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b

Related Vulnerabilities

CVE-2021-31406 Vulnerability in maven package com.vaadin:flow-server

CVE-2023-40809 Vulnerability in maven package org.opencrx:opencrx-core-models

CVE-2023-34468 Vulnerability in maven package org.apache.nifi:nifi-hikari-dbcp-service

CVE-2021-21266 Vulnerability in maven package org.openhab.addons.bundles:org.openhab.binding.tellstick

CVE-2022-36911 Vulnerability in maven package org.jenkins-ci.plugins:openstack-heat

Severity

High

Classification

CWE-400 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Exploit Third Party Advisory Patch