CVE-2021-30465 (High) detected in github.com/kubernetes/kubernetes-v1.16.6

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CVE-2021-30465 - High Severity Vulnerability

Vulnerable Library - github.com/kubernetes/kubernetes-v1.16.6

Production-Grade Container Scheduling and Management

Dependency Hierarchy:

• ❌ github.com/kubernetes/kubernetes-v1.16.6 (Vulnerable Library)

Found in HEAD commit: 23cd89752b5978470bb8f7c88cae5ab268573cea

Found in base branch: master

Vulnerability Details

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

Publish Date: 2021-05-27

URL: CVE-2021-30465

CVSS 3 Score Details (8.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Changed
• 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: GHSA-c3xm-pvg7-gh7r

Release Date: 2021-04-09

Fix Resolution: v1.0.0-rc95

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