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    CVE-2022-0759

    A flaw was found in all versions of kubeclient up to (but not including) v4.9.3, the Ruby client for Kubernetes REST API, in the way it parsed kubeconfig files. When the kubeconfig file does not configure custom CA to verify certs, kubeclient ends up accepting any certificate (it wrongly returns VERIFY_NONE). Ruby applications that leverage kubeclient to parse kubeconfig files are susceptible to Man-in-the-middle attacks (MITM).

    Published:Mar 22, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 25, 2022
    EPSS Score:0.00114
    CVSS Score:8.1

    Affected Products

    Vendor
    Redhat
    Product
    Kubeclient
    Vendor
    Redhat
    Product
    Logging
    Vendor
    Redhat
    Product
    Satellite

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High