USN-3938-1

    Dashboard / Vulnerabilities / USN-3938-1

    USN-3938-1

    Published: 8 Apr 2019Last Modified: 22 Apr 2026

    Summary: systemd vulnerability

    Details: Jann Horn discovered that pam_systemd created logind sessions using some parameters from the environment. A local attacker could exploit this in order to spoof the active session and gain additional PolicyKit privileges.

    References: https://ubuntu.com/security/notices/USN-3938-1, https://ubuntu.com/security/CVE-2019-3842

    Affected packages

    Package

    Name: systemd

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -204-5ubuntu20.31

    Affected versions

    204-0ubuntu18

    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