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TI-2019-02832 Aliases CVE-2019-3820GHSA-jh4v-7q79-jf56

Improper authorization in gnome-shell

Priority LOW 21CWE-285Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-285.

Summary

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.

Why it matters now

EPSS 0.00498 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNOMEgnome-shellsince 3.15.91—No fix listedCNA
  • gnome-shell VendorGNOME Affected since 3.15.91 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:*3.15.91 to before 3.30.3; 3.31.0 to before 3.31.5VulnerableGNOME
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*42.3VulnerableopenSUSE
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
  • cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* Versions 3.15.91 to before 3.30.3; 3.31.0 to before 3.31.5 Vulnerable ·GNOME
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* Versions 42.3 Vulnerable ·openSUSE
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2020:1021 Released 2020-03-31 · Red Hat rating Moderate
    GNOME security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) LibRaw-0.19.4-1.el7, accountsservice-0.6.50-7.el7, accountsservice-libs-0.6.50-7.el7 +35
    • Red Hat Enterprise Linux Client Optional (v. 7) LibRaw-devel-0.19.4-1.el7, LibRaw-static-0.19.4-1.el7, accountsservice-devel-0.6.50-7.el7 +35
    • Red Hat Enterprise Linux ComputeNode (v. 7) colord-1.3.4-2.el7, colord-libs-1.3.4-2.el7, gsettings-desktop-schemas-3.28.0-3.el7 +5
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) accountsservice-0.6.50-7.el7, accountsservice-devel-0.6.50-7.el7, accountsservice-libs-0.6.50-7.el7 +27
    • Red Hat Enterprise Linux Server (v. 7) LibRaw-0.19.4-1.el7, accountsservice-0.6.50-7.el7, accountsservice-libs-0.6.50-7.el7 +47
    • Red Hat Enterprise Linux Server Optional (v. 7) LibRaw-devel-0.19.4-1.el7, LibRaw-static-0.19.4-1.el7, accountsservice-devel-0.6.50-7.el7 +45
    • Red Hat Enterprise Linux Workstation (v. 7) LibRaw-0.19.4-1.el7, accountsservice-0.6.50-7.el7, accountsservice-libs-0.6.50-7.el7 +40
    • Red Hat Enterprise Linux Workstation Optional (v. 7) LibRaw-devel-0.19.4-1.el7, LibRaw-static-0.19.4-1.el7, accountsservice-devel-0.6.50-7.el7 +30
  • RHSA-2019:3553 Released 2019-11-05 · Red Hat rating Low
    GNOME security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) accountsservice-devel-0.6.50-7.el8, gdk-pixbuf2-xlib-2.36.12-5.el8, gdk-pixbuf2-xlib-devel-2.36.12-5.el8 +8
    • Red Hat Enterprise Linux AppStream (v. 8) SDL-1.2.15-35.el8, SDL-devel-1.2.15-35.el8, accountsservice-0.6.50-7.el8 +47
    • Red Hat Enterprise Linux BaseOS (v. 8) gdk-pixbuf2-2.36.12-5.el8, gsettings-desktop-schemas-3.32.0-3.el8, mozjs60-60.9.0-3.el8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ansible Tower 3.5 for RHEL 7 ServerFixed—
Red Hat Ansible Tower 3.6 for RHEL 7Fixed—
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:1021
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:1021

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3820
  2. 2026-10-03 Alias added: GHSA-jh4v-7q79-jf56

References

Exploit 1

Patch 1

Advisory 3

  • TI-2017-05858 gnome-shell 3.22 through 3.24.1 mishandles extensions that fail to reload, which can lead… CVSS 3.0HIGH 8.1
  • TI-2012-03769 The gnome-shell plugin 3.4.1 in GNOME allows remote attackers to force the download and… CVSS 2.0MEDIUM 6.8
  • TI-2014-06083 GNOME Shell 3.14.x before 3.14.1, when the Screen Lock feature is used, does not limit… CVSS 2.0HIGH 7.2
  • TI-2010-03796 gnome-shell in GNOME Shell 2.31.5 places a zero-length directory name in the… CVSS 2.0MEDIUM 6.9
  • TI-2021-03604 A locking protection bypass flaw was found in some versions of gnome-shell as shipped… CVSS 3.1MEDIUM 6.1
  • TI-2023-23090 Gnome-shell: screenshot tool allows viewing open windows when session is locked CVSS 3.1MEDIUM 5.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences