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websockets uses Math.random function to generate masking key. This function is not random enough allowing an attacker to easily guess the key. Having the key an attacker can read the payload causing potential information disclosure.
WS-2017-0107 - High Severity Vulnerability
Vulnerable Library - ws-0.8.0.tgz
simple to use, blazing fast and thoroughly tested websocket client, server and console for node.js, up-to-date against RFC-6455
Library home page: https://registry.npmjs.org/ws/-/ws-0.8.0.tgz
Path to dependency file: /docs/revealjs/plugin/multiplex/package.json
Path to vulnerable library: /docs/revealjs/plugin/multiplex/node_modules/ws/package.json
Dependency Hierarchy:
Found in HEAD commit: 3a0f8e57af7a9ae0c08961bd9d4b9bd0ea554f34
Found in base branch: master
Vulnerability Details
websockets uses Math.random function to generate masking key. This function is not random enough allowing an attacker to easily guess the key. Having the key an attacker can read the payload causing potential information disclosure.
Publish Date: 2016-09-20
URL: WS-2017-0107
CVSS 3 Score Details (7.4)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Release Date: 2016-09-20
Fix Resolution (ws): 1.1.2
Direct dependency fix Resolution (socket.io): 1.7.3
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