UBUNTU-CVE-2019-25031

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    UBUNTU-CVE-2019-25031

    Published: 27 Apr 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-25031
    Aliases:
    USN-4938-1

    Summary:

    Details: Unbound before 1.9.5 allows configuration injection in create_unbound_ad_servers.sh upon a successful man-in-the-middle attack against a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. create_unbound_ad_servers.sh is a contributed script from the community that facilitates automatic configuration creation. It is not part of the Unbound installation

    References: https://ubuntu.com/security/CVE-2019-25031, https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/, https://ubuntu.com/security/notices/USN-4938-1, https://www.cve.org/CVERecord?id=CVE-2019-25031

    Affected packages

    Package

    Name: unbound

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.7-1ubuntu2.4

    Affected versions

    1.6.5-1
    1.6.7-1
    1.6.7-1build1
    1.6.7-1ubuntu1
    1.6.7-1ubuntu2
    1.6.7-1ubuntu2.1
    1.6.7-1ubuntu2.2
    1.6.7-1ubuntu2.3

    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
    UBUNTU-CVE-2019-25031 | CVE-DB