CVE-2018-11693 (High) detected in multiple libraries

[mend-bolt-for-github]

CVE-2018-11693 - High Severity Vulnerability

Vulnerable Libraries - node-sass-3.3.3.tgz, node-sass15fe42ed92dea8e086e7837e53ecd8190c0179b9, node-sass-3.13.1.tgz

node-sass-3.3.3.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-3.3.3.tgz

Path to dependency file: /reveal.js-master/package.json

Path to vulnerable library: /reveal.js-master/node_modules/node-sass/package.json

Dependency Hierarchy:

• ❌ node-sass-3.3.3.tgz (Vulnerable Library)

node-sass-3.13.1.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-3.13.1.tgz

Path to dependency file: /reveal.js-master/package.json

Path to vulnerable library: /reveal.js-master/node_modules/grunt-sass/node_modules/node-sass/package.json

Dependency Hierarchy:

• grunt-sass-1.1.0.tgz (Root Library)
  • ❌ node-sass-3.13.1.tgz (Vulnerable Library)

Found in HEAD commit: 4af952fa68247806023dc354049f8d5fb2778603

Found in base branch: master

Vulnerability Details

An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.

Publish Date: 2018-06-04

URL: CVE-2018-11693

CVSS 3 Score Details (8.1)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2018-06-04

Fix Resolution (node-sass): 4.11.0

Direct dependency fix Resolution (grunt-sass): 2.0.0

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