UBUNTU-CVE-2019-3807

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    UBUNTU-CVE-2019-3807

    Published: 29 Jan 2019Last Modified: 8 Sept 2025
    Upstream:

    Summary:

    Details: An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.

    Affected packages

    Package

    Name: pdns-recursor

    Purl: pkg:deb/ubuntu/[email protected]~alpha2-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.7.3-1

    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