CVE-2020-36049 (High) detected in socket.io-parser-3.2.0.tgz

## CVE-2020-36049 - High Severity Vulnerability
Vulnerable Library - socket.io-parser-3.2.0.tgz

socket.io protocol parser

Library home page: https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/socket.io-parser/package.json

Dependency Hierarchy:
- karma-5.0.4.tgz (Root Library)
- socket.io-2.1.1.tgz
- :x: **socket.io-parser-3.2.0.tgz** (Vulnerable Library)

Vulnerability Details

socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.

Publish Date: 2021-01-08

URL: CVE-2020-36049

CVSS 3 Score Details (7.5)

Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-xfhh-g9f5-x4m4

Release Date: 2021-01-08

Fix Resolution (socket.io-parser): 3.3.2

Direct dependency fix Resolution (karma): 5.0.8

***
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Start with package.json and inspect the dependency hierarchy from karma 5.0.4 through socket.io to socket.io-parser 3.2.0. Check the compatible direct upgrade to karma 5.0.8, then verify that the resolved parser version is no longer vulnerable and run the repository's available checks.

Written by the indexing model from the issue text.