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    CVE-2020-36517

    An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.

    Published:Mar 7, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 7, 2022
    EPSS Score:0.01845
    CVSS Score:7.5

    Affected Products

    Vendor
    Home-assistant
    Product
    Home-assistant

    Exploits

    https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572https://github.com/home-assistant/plugin-dns/issues/20https://github.com/home-assistant/plugin-dns/issues/50https://github.com/home-assistant/plugin-dns/issues/51https://github.com/home-assistant/plugin-dns/issues/53https://github.com/home-assistant/plugin-dns/issues/54https://github.com/home-assistant/plugin-dns/issues/6https://github.com/home-assistant/plugin-dns/issues/64https://github.com/home-assistant/plugin-dns/issues/70https://github.com/home-assistant/plugin-dns/pull/55https://github.com/home-assistant/plugin-dns/pull/56https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572https://github.com/home-assistant/plugin-dns/issues/20https://github.com/home-assistant/plugin-dns/issues/50https://github.com/home-assistant/plugin-dns/issues/51https://github.com/home-assistant/plugin-dns/issues/53https://github.com/home-assistant/plugin-dns/issues/54https://github.com/home-assistant/plugin-dns/issues/6https://github.com/home-assistant/plugin-dns/issues/64https://github.com/home-assistant/plugin-dns/issues/70https://github.com/home-assistant/plugin-dns/pull/55https://github.com/home-assistant/plugin-dns/pull/56

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

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    References

    https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572
    https://github.com/home-assistant/plugin-dns/issues/17
    https://github.com/home-assistant/plugin-dns/issues/20
    https://github.com/home-assistant/plugin-dns/issues/22
    https://github.com/home-assistant/plugin-dns/issues/50
    https://github.com/home-assistant/plugin-dns/issues/51
    https://github.com/home-assistant/plugin-dns/issues/53
    https://github.com/home-assistant/plugin-dns/issues/54
    https://github.com/home-assistant/plugin-dns/issues/6
    https://github.com/home-assistant/plugin-dns/issues/64
    https://github.com/home-assistant/plugin-dns/issues/70
    https://github.com/home-assistant/plugin-dns/pull/55
    https://github.com/home-assistant/plugin-dns/pull/56
    https://github.com/home-assistant/plugin-dns/pull/58
    https://github.com/home-assistant/plugin-dns/pull/59
    https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572
    https://github.com/home-assistant/plugin-dns/issues/17
    https://github.com/home-assistant/plugin-dns/issues/20
    https://github.com/home-assistant/plugin-dns/issues/22
    https://github.com/home-assistant/plugin-dns/issues/50
    https://github.com/home-assistant/plugin-dns/issues/51
    https://github.com/home-assistant/plugin-dns/issues/53
    https://github.com/home-assistant/plugin-dns/issues/54
    https://github.com/home-assistant/plugin-dns/issues/6
    https://github.com/home-assistant/plugin-dns/issues/64
    https://github.com/home-assistant/plugin-dns/issues/70
    https://github.com/home-assistant/plugin-dns/pull/55
    https://github.com/home-assistant/plugin-dns/pull/56
    https://github.com/home-assistant/plugin-dns/pull/58
    https://github.com/home-assistant/plugin-dns/pull/59

    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