CVE-2020-8559 (Medium) detected in k8s.io/apimachinery/pkg/util/net-kubernetes-1.14.6

[mend-bolt-for-github]

CVE-2020-8559 - Medium Severity Vulnerability

Vulnerable Library - k8s.io/apimachinery/pkg/util/net-kubernetes-1.14.6

Dependency Hierarchy:

• github.com/argoproj/argo-cd/pkg/apiclient/session-v1.2.3 (Root Library)
  • k8s.io/api/core/v1-kubernetes-1.14.10-beta.0
    • k8s.io/apimachinery/pkg/apis/meta/v1-kubernetes-1.14.6
      • k8s.io/apimachinery/pkg/watch-kubernetes-1.14.6
        • ❌ k8s.io/apimachinery/pkg/util/net-kubernetes-1.14.6 (Vulnerable Library)

Found in HEAD commit: f7db3d4b83b1d3b0008f56e9a649b36ed2ae830d

Found in base branch: main

Vulnerability Details

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.

Publish Date: 2020-07-22

URL: CVE-2020-8559

CVSS 3 Score Details (6.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: kubernetes/kubernetes#92914

Release Date: 2020-07-21

Fix Resolution: v1.18.6,v1.17.9,v1.16.13

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