UBUNTU-CVE-2019-12098

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    UBUNTU-CVE-2019-12098

    Published: 15 May 2019Last Modified: 27 Apr 2026
    Upstream:
    CVE-2019-12098
    Aliases:
    USN-5675-1

    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://ubuntu.com/security/CVE-2019-12098, http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html, https://github.com/heimdal/heimdal/compare/3e58559...bbafe72, https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0, https://ubuntu.com/security/notices/USN-5675-1, https://www.cve.org/CVERecord?id=CVE-2019-12098

    Affected packages

    Package

    Name: heimdal

    Purl: pkg:deb/ubuntu/[email protected]~git20131207+dfsg-1ubuntu1.2+esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6~git20131207+dfsg-1ubuntu1.2+esm1

    Affected versions

    1.6~git20120403+dfsg1-3ubuntu0.1
    1.6~git20120403+dfsg1-3ubuntu0.2

    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