CVE-2021-28965 (High) detected in rexml-3.2.4.gem

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CVE-2021-28965 - High Severity Vulnerability

Vulnerable Library - rexml-3.2.4.gem

An XML toolkit for Ruby

Library home page: https://rubygems.org/gems/rexml-3.2.4.gem

Dependency Hierarchy:

• middleman-4.3.11.gem (Root Library)
  • kramdown-2.3.0.gem
    • ❌ rexml-3.2.4.gem (Vulnerable Library)

Found in base branch: master

Vulnerability Details

The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.

Publish Date: 2021-04-21

URL: CVE-2021-28965

CVSS 3 Score Details (7.5)

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: High
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-8cr8-4vfw-mr7h

Release Date: 2021-04-21

Fix Resolution: rexml - 3.1.9.1, 3.2.5