CVE-2018-20781

    Dashboard / Vulnerabilities / CVE-2018-20781

    CVE-2018-20781

    Published: 12 Feb 2019Last Modified: 8 Jul 2026

    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://github.com/huntergregal/mimipenguin, https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da, https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3, https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2, https://usn.ubuntu.com/3894-1/, https://www.oracle.com/security-alerts/cpujan2021.html, https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919, https://bugzilla.gnome.org/show_bug.cgi?id=781486

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7b2f96bfaa3fc0a1af5ab0402f3f689f834f8cb0

    Affected versions

    3.20.0

    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