CVE-2019-3814

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    CVE-2019-3814

    Published: 27 Mar 2019Last Modified: 8 Jul 2026

    Summary:

    Details: It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html, https://access.redhat.com/errata/RHSA-2019:3467, https://security.gentoo.org/glsa/201904-19, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814, https://www.dovecot.org/list/dovecot/2019-February/114575.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -5d621cf65a8ebdc30b8b329869d3682b1e1b635d

    Affected versions

    2.3.4

    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