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

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

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

Related Vulnerabilities

CVE-2020-28472 Vulnerability in npm package aws-sdk

CVE-2021-21252 Vulnerability in maven package org.webjars.bowergithub.jquery-validation:jquery-validation

CVE-2023-47323 Vulnerability in maven package org.silverpeas.core:silverpeas-core-web

CVE-2022-25860 Vulnerability in npm package simple-git

CVE-2021-31522 Vulnerability in maven package org.apache.kylin:kylin-server-base

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

Patch Third Party Advisory Exploit