CVE-2021-28834 (Critical) detected in kramdown-2.3.0.gem
mend-bolt-for-github opened this issue · 2 comments
CVE-2021-28834 - Critical Severity Vulnerability
Vulnerable Library - kramdown-2.3.0.gem
kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions.
Library home page: https://rubygems.org/gems/kramdown-2.3.0.gem
Dependency Hierarchy:
- github-pages-207.gem (Root Library)
- ❌ kramdown-2.3.0.gem (Vulnerable Library)
Found in base branch: main
Vulnerability Details
Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.
Publish Date: 2021-03-19
URL: CVE-2021-28834
CVSS 3 Score Details (9.8)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Release Date: 2021-03-19
Fix Resolution: 2.3.1
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Micro-Learning Topic: Vulnerable library (Detected by phrase)
Use of vulnerable components will introduce weaknesses into the application. Components with published vulnerabilities will allow easy exploitation as resources will often be available to automate the process.
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Micro-Learning Topic: Vulnerable library (Detected by phrase)
Matched on "Vulnerable Library"
Use of vulnerable components will introduce weaknesses into the application. Components with published vulnerabilities will allow easy exploitation as resources will often be available to automate the process.