UBUNTU-CVE-2018-20781

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    UBUNTU-CVE-2018-20781

    Published: 12 Feb 2019Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-20781
    Aliases:
    USN-3894-1

    Summary:

    Details: In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

    References: https://ubuntu.com/security/CVE-2018-20781, https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2, https://ubuntu.com/security/notices/USN-3894-1, https://www.cve.org/CVERecord?id=CVE-2018-20781

    Affected packages

    Package

    Name: gnome-keyring

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.10.1-1ubuntu4.4

    Affected versions

    3.8.2-0ubuntu3

    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