CVE-2018-19837 (Medium) detected in node-sass-4.11.0.tgz

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CVE-2018-19837 - Medium Severity Vulnerability

Vulnerable Library - node-sass-4.11.0.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-4.11.0.tgz

Dependency Hierarchy:

• gulp-sass-4.0.2.tgz (Root Library)
  • ❌ node-sass-4.11.0.tgz (Vulnerable Library)

Found in HEAD commit: 35c20cdfd5acad60536ca6b0402f619e18097690

Found in base branch: main

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

Origin: https://github.com/sass/libsass/releases/tag/3.5.5

Release Date: 2018-12-04

Fix Resolution (node-sass): 4.14.0

Direct dependency fix Resolution (gulp-sass): 4.1.0