Auth bypass in Gnome Gnome-Shell
CVE-2019-3820
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.
EPSS: 0.005 (39.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Gnome Gnome-shell
- The Gnome Project Gnome-shell — versions since 3.15.91
- Canonical Ubuntu_linux — versions 18.04, 18.10
- Opensuse Leap — versions 15.0, 15.1, 42.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-3820?
- CVE-2019-3820 is a medium-severity vulnerability in Gnome Gnome-Shell, classified under Improper Authorization. CVSS score: 4.3/10. Published 2019-02-06.
- How severe is CVE-2019-3820?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2019-3820 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.