CVE-2020-8570 (High) detected in client-java-2.0.0.jar

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CVE-2020-8570 - High Severity Vulnerability

Vulnerable Library - client-java-2.0.0.jar

Kubernetes Client Library

Library home page: https://github.com/kubernetes-client/java

Path to dependency file: pulsar/pulsar-functions/secrets/pom.xml

Path to vulnerable library: .m2/repository/io/kubernetes/client-java/2.0.0/client-java-2.0.0.jar,.m2/repository/io/kubernetes/client-java/2.0.0/client-java-2.0.0.jar

Dependency Hierarchy:

• ❌ client-java-2.0.0.jar (Vulnerable Library)

Found in base branch: master

Vulnerability Details

Kubernetes Java client libraries in version 10.0.0 and versions prior to 9.0.1 allow writes to paths outside of the current directory when copying multiple files from a remote pod which sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.

Publish Date: 2021-01-21

URL: CVE-2020-8570

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: kubernetes-client/java#1491

Release Date: 2021-01-21

Fix Resolution: io.kubernetes:client-java:9.0.3,10.0.1,11.0.0

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