CVE-2018-19837 (Medium) detected in node-sass-4.12.0.tgz

[mend-bolt-for-github]

CVE-2018-19837 - Medium Severity Vulnerability

Vulnerable Library - node-sass-4.12.0.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-4.12.0.tgz

Path to dependency file: /zencart/admin/includes/template/javascript/gridstack.js-master/package.json

Path to vulnerable library: /admin/includes/template/javascript/gridstack.js-master/node_modules/node-sass/package.json

Dependency Hierarchy:

• grunt-sass-2.1.0.tgz (Root Library)
  • ❌ node-sass-4.12.0.tgz (Vulnerable Library)

Found in HEAD commit: becb879687830dbc80834334cc9bfe3160f622bc

Found in base branch: develop

Vulnerability Details

In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of '%' as a modulo operator in parser.cpp.

Publish Date: 2018-12-04

URL: CVE-2018-19837

CVSS 3 Score Details (6.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • 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

Release Date: 2018-12-04

Fix Resolution (node-sass): 4.14.0

Direct dependency fix Resolution (grunt-sass): 3.0.0

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