The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4269-1 advisory.

    It was discovered that systemd incorrectly handled certain PIDFile files. A local attacker could possibly     use this issue to trick systemd into killing privileged processes. This issue only affected Ubuntu 16.04     LTS. (CVE-2018-16888)

    It was discovered that systemd incorrectly handled certain udevadm trigger commands. A local attacker     could possibly use this issue to cause systemd to consume resources, leading to a denial of service.
    (CVE-2019-20386)

    Jann Horn discovered that systemd incorrectly handled services that use the DynamicUser property. A local     attacker could possibly use this issue to access resources owned by a different service in the future.
    This issue only affected Ubuntu 18.04 LTS. (CVE-2019-3843, CVE-2019-3844)

    Tavis Ormandy discovered that systemd incorrectly handled certain Polkit queries. A local attacker could     use this issue to cause systemd to crash, resulting in a denial of service, or possibly execute arbitrary     code and escalate privileges. (CVE-2020-1712)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Ubuntu 16.04 LTS / 18.04 LTS : systemd vulnerabilities (USN-4269-1)

high Nessus Plugin ID 133523

Version 1.6