jekyll-3.7.4.gem: 2 vulnerabilities (highest severity is: 9.8)

[mend-bolt-for-github]

Vulnerable Library - jekyll-3.7.4.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /home/wss-scanner/.gem/ruby/3.2.0/cache/kramdown-1.17.0.gem

Vulnerabilities

Vulnerability	Severity	CVSS	Dependency	Type	Fixed in (jekyll version)	Remediation Possible**
CVE-2021-28834	Critical	9.8	kramdown-1.17.0.gem	Transitive	N/A*	❌
CVE-2020-14001	Critical	9.8	kramdown-1.17.0.gem	Transitive	N/A*	❌

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2021-28834

Vulnerable Library - kramdown-1.17.0.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-1.17.0.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /home/wss-scanner/.gem/ruby/3.2.0/cache/kramdown-1.17.0.gem

Dependency Hierarchy:

• jekyll-3.7.4.gem (Root Library)
  • ❌ kramdown-1.17.0.gem (Vulnerable Library)

Found in base branch: master

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-52p9-v744-mwjj

Release Date: 2021-03-19

Fix Resolution: kramdown - 2.3.1

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CVE-2020-14001

Vulnerable Library - kramdown-1.17.0.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-1.17.0.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /home/wss-scanner/.gem/ruby/3.2.0/cache/kramdown-1.17.0.gem

Dependency Hierarchy:

• jekyll-3.7.4.gem (Root Library)
  • ❌ kramdown-1.17.0.gem (Vulnerable Library)

Found in base branch: master

Vulnerability Details

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") or unintended embedded Ruby code execution (such as a string that begins with template="string://<%= `). NOTE: kramdown is used in Jekyll, GitLab Pages, GitHub Pages, and Thredded Forum.

Publish Date: 2020-07-17

URL: CVE-2020-14001

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14001

Release Date: 2020-07-17

Fix Resolution: kramdown - 2.3.0

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