CVE-2018-19838 (Medium) detected in node-sass-4.13.1.tgz - autoclosed

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CVE-2018-19838 - Medium Severity Vulnerability

Vulnerable Library - node-sass-4.13.1.tgz

Wrapper around libsass

Library home page: https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz

Dependency Hierarchy:

• @osd/optimizer-1.0.0.tgz (Root Library)
  • ❌ node-sass-4.13.1.tgz (Vulnerable Library)

Found in HEAD commit: 4fd064970b66ce555f48c22dfab6ed965d0e260a

Found in base branch: main

Vulnerability Details

In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().

Publish Date: 2018-12-04

URL: CVE-2018-19838

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: libsass - 3.5.5;node-sass - 4.14.0

[tmarkley]

Fixed in #1028

[mend-for-github-com]

✔️ This issue was automatically closed by WhiteSource because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the WhiteSource inventory.