WS-2018-0111 (High) detected in base64-url-1.2.1.tgz

Vulnerable Library - base64-url-1.2.1.tgz

Base64 encode, decode, escape and unescape for URL applications

Library home page: https://registry.npmjs.org/base64-url/-/base64-url-1.2.1.tgz

Path to dependency file: /samples/dynamic-html/package.json

Path to vulnerable library: /samples/dynamic-html/node_modules/base64-url/package.json

Dependency Hierarchy:

• express-3.21.2.tgz (Root Library)
  • connect-2.30.2.tgz
    • express-session-1.11.3.tgz
      • uid-safe-2.0.0.tgz
        • ❌ base64-url-1.2.1.tgz (Vulnerable Library)

Found in HEAD commit: 4b7a8d7d7384aa6a27d6309c35ade0916edae7ed

Found in base branches: 3.0.0, master

Vulnerability Details

Versions of base64-url before 2.0.0 are vulnerable to out-of-bounds read as it allocates uninitialized Buffers when number is passed in input.

Publish Date: 2018-05-16

URL: WS-2018-0111

CVSS 3 Score Details (9.1)

Base Score Metrics:

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

Suggested Fix

Type: Upgrade version

Origin: https://nodesecurity.io/advisories/660

Release Date: 2018-01-27

Fix Resolution (base64-url): 2.0.0

Direct dependency fix Resolution (express): 4.0.0