CVE-2020-8244 (Medium) detected in bl-1.2.2.tgz

## CVE-2020-8244 - Medium Severity Vulnerability
Vulnerable Library - bl-1.2.2.tgz

Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!

Library home page: https://registry.npmjs.org/bl/-/bl-1.2.2.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/bl/package.json

Dependency Hierarchy:
- gulp-crx-pack-1.0.2.tgz (Root Library)
- crx-3.2.1.tgz
- archiver-1.3.0.tgz
- tar-stream-1.6.2.tgz
- :x: **bl-1.2.2.tgz** (Vulnerable Library)

Vulnerability Details

A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.

Publish Date: 2020-08-30

URL: CVE-2020-8244

CVSS 3 Score Details (6.5)

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-pp7h-53gx-mx7r

Release Date: 2020-08-30

Fix Resolution: bl - 1.2.3,2.2.1,3.0.1,4.0.3

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