CVE-2024-39908 (Medium) detected in rexml-3.2.6.gem

[mend-bolt-for-github]

CVE-2024-39908 - Medium Severity Vulnerability

Vulnerable Library - rexml-3.2.6.gem

An XML toolkit for Ruby

Library home page: https://rubygems.org/gems/rexml-3.2.6.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /home/wss-scanner/.gem/ruby/3.2.0/cache/rexml-3.2.6.gem

Dependency Hierarchy:

• webmock-3.23.0.gem (Root Library)
  • crack-1.0.0.gem
    • ❌ rexml-3.2.6.gem (Vulnerable Library)

Found in base branch: master

Vulnerability Details

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as <, 0 and %>. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.

Publish Date: 2024-07-16

URL: CVE-2024-39908

CVSS 3 Score Details (4.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-4xqq-m2hx-25v8

Release Date: 2024-07-16

Fix Resolution: rexml - 3.3.2

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[cben]

add_development_dependency 'webmock', '~> 3.0'

Only loaded in unit tests, right? IMHO any DoS issues can be simply ignored there.

We have no lockfile, will pick up a new version when webmock and/or crack release with updated deps.