CVE-2018-20781 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 https://bugzilla.gnome.org/show_bug.cgi?id=781486 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/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8