CVE-2019-5418 (High) detected in multiple libraries

[mend-bolt-for-github]

CVE-2019-5418 - High Severity Vulnerability

Vulnerable Libraries - actionview-4.1.0.gem, actionpack-4.1.0.gem, rails-4.1.0.gem

actionview-4.1.0.gem

Simple, battle-tested conventions and helpers for building web pages.

Library home page: https://rubygems.org/gems/actionview-4.1.0.gem

Path to dependency file: /tmp/ws-scm/app1/Gemfile.lock

Path to vulnerable library: /var/lib/gems/2.5.0/cache/actionview-4.1.0.gem

Dependency Hierarchy:

• sass-rails-4.0.3.gem (Root Library)
  • railties-4.1.0.gem
    • actionpack-4.1.0.gem
      • ❌ actionview-4.1.0.gem (Vulnerable Library)

actionpack-4.1.0.gem

Web apps on Rails. Simple, battle-tested conventions for building and testing MVC web applications. Works with any Rack-compatible server.

Library home page: https://rubygems.org/gems/actionpack-4.1.0.gem

Path to dependency file: /tmp/ws-scm/app1/Gemfile.lock

Path to vulnerable library: /var/lib/gems/2.5.0/cache/actionpack-4.1.0.gem

Dependency Hierarchy:

• sass-rails-4.0.3.gem (Root Library)
  • railties-4.1.0.gem
    • ❌ actionpack-4.1.0.gem (Vulnerable Library)

rails-4.1.0.gem

Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.

Library home page: https://rubygems.org/gems/rails-4.1.0.gem

Path to vulnerable library: /app1/Gemfile.lock,ms/2.5.0/cache/rails-4.1.0.gem

Dependency Hierarchy:

• ❌ rails-4.1.0.gem (Vulnerable Library)

Found in HEAD commit: 9d946faa10e3050193fb56220287f7565773de83

Vulnerability Details

There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

Publish Date: 2019-03-27

URL: CVE-2019-5418

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: High
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/

Release Date: 2019-01-04

Fix Resolution: 4.2.11.1, 5.0.7.2, 5.1.6.2, 5.2.2.1