CVE-2021-4235 (Medium) detected in github.com/go-yaml/yaml-v2.2.2

[mend-for-github-com]

CVE-2021-4235 - Medium Severity Vulnerability

Vulnerable Library - github.com/go-yaml/yaml-v2.2.2

YAML support for the Go language.

Dependency Hierarchy:

• github.com/kubernetes/client-go-v2.0.0 (Root Library)
  • github.com/kubernetes/client-go/pkg/api/unversioned-v2.0.0
    • github.com/go-openapi/spec-0.15.0
      • github.com/go-openapi/swag-v0.19.2
        • ❌ github.com/go-yaml/yaml-v2.2.2 (Vulnerable Library)

Vulnerability Details

Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

Publish Date: 2022-12-27

URL: CVE-2021-4235

CVSS 3 Score Details (5.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • 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

Release Date: 2022-12-27

Fix Resolution: v2.2.3