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Date: Sun, 19 Jul 2020 00:24:26 +0200 (CEST)
Subject: CVE-2018-21036: Sails.js before v1.0.0-46 DoS


Sails.js ( <> before v1.0.0-46 allows attackers to cause a denial of service with a single request because there is no error handler in sails-hook-sockets to handle an empty pathname in a WebSocket request.
[Affected Product Code Base]
Sails.js - < v1.0.0-46
sails-hook-sockets - < 1.5.5

[Attack Vectors]
To exploit vulnerability, attacker should make a request with malformed URL to the socket.

1. generate a default sails app.
2. sails lift
3. open app in the browser.
4. open the browser console.
5. execute this code: io.socket.get('?').


Ali Norouzi

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