UBUNTU-CVE-2018-20681

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    UBUNTU-CVE-2018-20681

    Published: 9 Jan 2019Last Modified: 24 Oct 2025
    Upstream:
    CVE-2018-20681

    Summary:

    Details: mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.

    References: https://ubuntu.com/security/CVE-2018-20681, https://github.com/mate-desktop/mate-screensaver/issues/152, https://github.com/mate-desktop/mate-screensaver/issues/155, https://github.com/mate-desktop/mate-screensaver/issues/170, https://github.com/mate-desktop/mate-screensaver/pull/167, https://www.cve.org/CVERecord?id=CVE-2018-20681

    Affected packages

    Package

    Name: mate-screensaver

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.10.2-1

    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