CVE-2019-12098

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    CVE-2019-12098

    Published: 15 May 2019Last Modified: 8 Jul 2026

    Summary:

    Details: In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html, https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0, https://seclists.org/bugtraq/2019/Jun/1, https://www.debian.org/security/2019/dsa-4455, http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html, https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf, https://github.com/heimdal/heimdal/compare/3e58559...bbafe72

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -bbafe725f10b6bfd60e4d411ba08719b632e3043

    Affected versions

    heimdal-1.3.0pre1
    heimdal-1.3.0rc1
    heimdal-1.3.0pre11
    heimdal-1.3.0pre10
    heimdal-1.3.0pre9
    heimdal-1.3.0pre8
    heimdal-1.3.0pre7
    heimdal-1.3.0pre6
    heimdal-1.3.0pre5
    heimdal-1.3.0pre4
    heimdal-1.3.0pre3

    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-2019-12098 | CVE-DB