SB2024091830 - Externally controlled reference to a resource in another sphere in Kubernetes
Published: September 18, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Externally Controlled Reference to a Resource in Another Sphere (CVE-ID: CVE-2020-8561)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests is able to redirect kube-apiserver requests to private networks of the apiserver.
Remediation
Install update from vendor's website.