cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.
CVE-2023-24824 - High Severity Vulnerability
A fast, safe, extensible parser for CommonMark. This wraps the official libcmark library.
Library home page: https://rubygems.org/gems/commonmarker-0.23.6.gem
Path to dependency file: /Gemfile.lock
Path to vulnerable library: /home/wss-scanner/.gem/ruby/2.7.0/cache/commonmarker-0.23.6.gem
Dependency Hierarchy: - github-pages-227.gem (Root Library) - jekyll-commonmark-ghpages-0.2.0.gem - :x: **commonmarker-0.23.6.gem** (Vulnerable Library)
Found in base branch: master
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.
Publish Date: 2023-03-31
URL: CVE-2023-24824
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://github.com/advisories/GHSA-48wp-p9qv-4j64
Release Date: 2023-03-31
Fix Resolution: commonmarker - 0.23.9
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