WS-2018-0096 (High) detected in base64url-2.0.0.tgz

[mend-bolt-for-github]

WS-2018-0096 - High Severity Vulnerability

Vulnerable Library - base64url-2.0.0.tgz

For encoding to/from base64urls

Library home page: https://registry.npmjs.org/base64url/-/base64url-2.0.0.tgz

Path to dependency file: kienba/functions/package.json

Path to vulnerable library: kienba/functions/node_modules/base64url/package.json

Dependency Hierarchy:

• firebase-admin-5.10.0.tgz (Root Library)
  • jsonwebtoken-8.1.0.tgz
    • jws-3.1.4.tgz
      • ❌ base64url-2.0.0.tgz (Vulnerable Library)

Found in HEAD commit: 349a6dfbfb7b20744f0a39328207f91148a57fa6

Vulnerability Details

Versions of base64url before 3.0.0 are vulnerable to to out-of-bounds reads as it allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below.

Publish Date: 2018-05-16

URL: WS-2018-0096

CVSS 3 Score Details (7.1)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://hackerone.com/reports/321687

Release Date: 2019-01-24

Fix Resolution: 3.0.0

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