CVE-2024-43398 (Medium) detected in rexml-3.2.4.gem

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CVE-2024-43398 - Medium 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

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /Gemfile.lock

Dependency Hierarchy:

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

Found in HEAD commit: e18fd672daa5561842258223a173ced78ea399b2

Found in base branch: master

Vulnerability Details

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

Publish Date: 2024-08-22

URL: CVE-2024-43398

CVSS 3 Score Details (5.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • 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.

Suggested Fix

Type: Upgrade version

Origin: GHSA-vmwr-mc7x-5vc3

Release Date: 2024-08-22

Fix Resolution: rexml - 3.3.6