UBUNTU-CVE-2019-3814

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    UBUNTU-CVE-2019-3814

    Published: 5 Feb 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-3814

    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://ubuntu.com/security/CVE-2019-3814, https://www.dovecot.org/pipermail/dovecot/2019-February/114575.html, https://ubuntu.com/security/notices/USN-3881-1, https://ubuntu.com/security/notices/USN-3881-2, https://www.cve.org/CVERecord?id=CVE-2019-3814

    Affected packages

    Package

    Name: dovecot

    Purl: pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.5?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.2.9-1ubuntu2.5

    Affected versions

    1:2.1.7-7ubuntu3

    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