CVE-2020-8162 (High) detected in activestorage-5.2.4.2.gem

[mend-bolt-for-github]

CVE-2020-8162 - High Severity Vulnerability

Vulnerable Library - activestorage-5.2.4.2.gem

Attach cloud and local files in Rails applications.

Library home page: https://rubygems.org/gems/activestorage-5.2.4.2.gem

Path to vulnerable library: /xinfei-presenze/vendor/cache/activestorage-5.2.4.2.gem

Dependency Hierarchy:

• ❌ activestorage-5.2.4.2.gem (Vulnerable Library)

Found in HEAD commit: 144a3471e80296517fe922af0a5339e47902390b

Vulnerability Details

A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.

Publish Date: 2020-06-19

URL: CVE-2020-8162

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-m42x-37p3-fv5w

Release Date: 2020-05-31

Fix Resolution: 5.2.4.3,6.0.3.1

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