CVE-2018-16860

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    CVE-2018-16860

    Published: 31 Jul 2019Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html, http://seclists.org/fulldisclosure/2019/Aug/11, http://seclists.org/fulldisclosure/2019/Aug/13, http://seclists.org/fulldisclosure/2019/Aug/14, http://seclists.org/fulldisclosure/2019/Aug/15, https://seclists.org/bugtraq/2019/Aug/21, https://seclists.org/bugtraq/2019/Aug/22, https://seclists.org/bugtraq/2019/Aug/23, https://seclists.org/bugtraq/2019/Aug/25, https://support.apple.com/HT210346, https://support.apple.com/HT210348, https://support.apple.com/HT210351, https://support.apple.com/HT210353, https://security.gentoo.org/glsa/202003-52, https://www.samba.org/samba/security/CVE-2018-16860.html, https://www.synology.com/security/advisory/Synology_SA_19_23, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e19bf4f5370315f812cde7a196368fccb5ca0fea
    Fixed -None

    Affected versions

    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
    CVE-2018-16860 | CVE-DB