WS-2022-0093 (High) detected in commonmarker-0.17.7.1.gem

[mend-bolt-for-github]

WS-2022-0093 - High Severity Vulnerability

Vulnerable Library - commonmarker-0.17.7.1.gem

A fast, safe, extensible parser for CommonMark. This wraps the official libcmark library.

Library home page: https://rubygems.org/gems/commonmarker-0.17.7.1.gem

Dependency Hierarchy:

• github-pages-175.gem (Root Library)
  • jekyll-commonmark-ghpages-0.1.3.gem
    • ❌ commonmarker-0.17.7.1.gem (Vulnerable Library)

Found in base branch: master

Vulnerability Details

commonmarker versions prior to 0.23.4 are vulnerable to heap memory corruption when parsing tables whose marker rows contain more than UINT16_MAX columns.
The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution.

Publish Date: 2022-02-03

URL: WS-2022-0093

CVSS 3 Score Details (8.8)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-fmx4-26r3-wxpf

Release Date: 2022-02-03

Fix Resolution: commonmarker - 0.23.4

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