CVE-2018-11693 (High) detected in node-sass-3.13.1.tgz, libsass3.3.6

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CVE-2018-11693 - High Severity Vulnerability

Vulnerable Libraries - node-sass-3.13.1.tgz, libsass3.3.6

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: mk-ui/package.json

Path to vulnerable library: mk-ui/node_modules/node-sass/package.json

Dependency Hierarchy:

• gulp-sass-2.3.2.tgz (Root Library)
  • ❌ node-sass-3.13.1.tgz (Vulnerable Library)

Found in HEAD commit: 79048df8fa778c794cf8958b436dd7bac16568e3

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

Origin: sass/libsass#2661

Release Date: 2018-06-04

Fix Resolution: libsass - 3.5.5;node-sass - 4.11.0