UBUNTU-CVE-2017-15107

    Dashboard / Vulnerabilities / UBUNTU-CVE-2017-15107

    UBUNTU-CVE-2017-15107

    Published: 23 Jan 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2017-15107
    Aliases:
    USN-4924-1

    Summary:

    Details: A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.

    References: https://ubuntu.com/security/CVE-2017-15107, http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html, https://ubuntu.com/security/notices/USN-4924-1, https://www.cve.org/CVERecord?id=CVE-2017-15107

    Affected packages

    Package

    Name: dnsmasq

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.75-1ubuntu0.16.04.10

    Affected versions

    2.75-1

    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