| Name | CVE-2019-3820 |
| Description | It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
| Debian Bugs | 921490 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnome-shell (PTS) | jessie | 3.14.4-1~deb8u1 | fixed |
| stretch | 3.22.3-3 | vulnerable | |
| buster | 3.30.2-11~deb10u1 | fixed | |
| bullseye, sid | 3.34.1+git20191024-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gnome-shell | source | (unstable) | 3.30.2-3 | 921490 | ||
| gnome-shell | source | jessie | (not affected) |
[stretch] - gnome-shell <no-dsa> (Minor issue)
[jessie] - gnome-shell <not-affected> (Vulnerable code not present)
Introduced by: https://bugzilla.gnome.org/show_bug.cgi?id=745039
Introduced by: https://gitlab.gnome.org/GNOME/gnome-shell/commit/c79d24b60e773262091023feb6ee1b3deef1c471
Upstream issue: https://gitlab.gnome.org/GNOME/gnome-shell/issues/851