The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3717-1 advisory.

    Tavis Ormandy discovered that PolicyKit incorrectly handled certain invalid object paths. A local attacker     could possibly use this issue to cause PolicyKit to crash, resulting in a denial of service. This issue     only affected Ubuntu 14.04 LTS. (CVE-2015-3218)

    It was discovered that PolicyKit incorrectly handled certain duplicate action IDs. A local attacker could     use this issue to cause PolicyKit to crash, resulting in a denial of service, or possibly escalate     privileges. This issue only affected Ubuntu 14.04 LTS. (CVE-2015-3255)

    Tavis Ormandy discovered that PolicyKit incorrectly handled duplicate cookie values. A local attacker     could use this issue to cause PolicyKit to crash, resulting in a denial of service, or possibly escalate     privileges. This issue only affected Ubuntu 14.04 LTS. (CVE-2015-4625)

    Matthias Gerstner discovered that PolicyKit incorrectly checked users. A local attacker could possibly use     this issue to cause authentication dialogs to show up for other users, leading to a denial of service or     an information leak. (CVE-2018-1116)

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 14.04 LTS / 16.04 LTS / 18.04 LTS : PolicyKit vulnerabilities (USN-3717-1)

medium Nessus Plugin ID 111135

Version 1.10