CVE-2018-19839 (Medium) detected in node-sass-4.14.1.tgz, CSS::Sassv3.4.11

[mend-bolt-for-github]

CVE-2018-19839 - Medium Severity Vulnerability

Vulnerable Libraries - node-sass-4.14.1.tgz, CSS::Sassv3.4.11

node-sass-4.14.1.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-4.14.1.tgz

Path to dependency file: IntelliMerge-UI/package.json

Path to vulnerable library: IntelliMerge-UI/node_modules/node-sass/package.json

Dependency Hierarchy:

• ❌ node-sass-4.14.1.tgz (Vulnerable Library)

Found in HEAD commit: 1a120f45942616d291864928a8d13e410fcc0ec6

Found in base branch: master

Vulnerability Details

In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.

Publish Date: 2018-12-04

URL: CVE-2018-19839

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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19839

Release Date: 2018-12-04

Fix Resolution: Libsass:3.6.0

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