CVE-2017-15105

    Dashboard / Vulnerabilities / CVE-2017-15105

    CVE-2017-15105

    Published: 23 Jan 2018Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

    References: http://www.securityfocus.com/bid/102817, https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html, https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html, https://usn.ubuntu.com/3673-1/, https://unbound.net/downloads/CVE-2017-15105.txt

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -df881fedb30858ae8007c4629ed9b52243c5b83a

    Affected versions

    release-1.6.7
    release-1.6.7rc1
    release-1.6.6rc2
    release-1.6.6rc1
    release-1.6.4rc2
    release-1.6.4rc1
    release-1.6.2rc1
    release-1.6.1rc3
    release-1.6.1rc2
    release-1.6.1rc1
    release-1.6.0rc1

    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