UBUNTU-CVE-2018-6553

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-6553

    UBUNTU-CVE-2018-6553

    Published: 11 Jul 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-6553
    Aliases:
    USN-3713-1

    Summary:

    Details: The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS.

    References: https://ubuntu.com/security/CVE-2018-6553, https://ubuntu.com/security/notices/USN-3713-1, https://www.cve.org/CVERecord?id=CVE-2018-6553

    Affected packages

    Package

    Name: cups

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.7.2-0ubuntu1.10

    Affected versions

    1.7.0~rc1-0ubuntu5
    1.7.0-0ubuntu2
    1.7.0-0ubuntu3
    1.7.0-1
    1.7.0-2
    1.7.1-1
    1.7.1-2
    1.7.1-2git1
    1.7.1-3
    1.7.1-4
    1.7.1-4ubuntu1
    1.7.1-5ubuntu1
    1.7.1-5ubuntu3
    1.7.1-5ubuntu4
    1.7.1-5ubuntu5
    1.7.1-5ubuntu6
    1.7.1-5ubuntu7
    1.7.1-5ubuntu8
    1.7.1-5ubuntu9
    1.7.1-5ubuntu10
    1.7.2-0ubuntu1
    1.7.2-0ubuntu1.1
    1.7.2-0ubuntu1.2
    1.7.2-0ubuntu1.4
    1.7.2-0ubuntu1.5
    1.7.2-0ubuntu1.6
    1.7.2-0ubuntu1.7
    1.7.2-0ubuntu1.8
    1.7.2-0ubuntu1.9

    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