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CVE-2020-17489

Published: 11 August 2020

An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)

Notes

AuthorNote
mdeslaur
per upstream bug, appears to have been introduced in 3.34
Priority

Medium

CVSS 3 base score: 4.3

Status

Package Release Status
gnome-shell
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(3.28.4-0ubuntu18.04.3)
focal
Released (3.36.4-1ubuntu1~20.04.2)
precise Does not exist

trusty Does not exist

upstream
Released (3.36.5-1)
xenial Not vulnerable
(3.18.5-0ubuntu0.3)
Patches:
upstream: https://gitlab.gnome.org/GNOME/gnome-shell/-/commit/13137aad9db52223e8b62cecbd3456f4a7f66f04