USN-4015-2

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    USN-4015-2

    Published: 12 Jun 2019Last Modified: 22 Apr 2026

    Summary: dbus vulnerability

    Details: USN-4015-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Joe Vennix discovered that DBus incorrectly handled DBUS_COOKIE_SHA1 authentication. A local attacker could possibly use this issue to bypass authentication and connect to DBus servers with elevated privileges.

    References: https://ubuntu.com/security/notices/USN-4015-2, https://ubuntu.com/security/CVE-2019-12749

    Affected packages

    Package

    Name: dbus

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.18-0ubuntu4.5+esm1

    Affected versions

    1.6.12-0ubuntu10
    1.6.18-0ubuntu1
    1.6.18-0ubuntu2
    1.6.18-0ubuntu3
    1.6.18-0ubuntu4
    1.6.18-0ubuntu4.1
    1.6.18-0ubuntu4.2
    1.6.18-0ubuntu4.3
    1.6.18-0ubuntu4.4
    1.6.18-0ubuntu4.5

    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