SB2019050606 - Ubuntu update for GNOME Shell
Published: May 6, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2019-3820)
The vulnerability allows a physical attacker to bypass security restrictions on the system.
The vulnerability exists due to the lock screen feature does not properly restrict all contextual actions. A physical attacker can click on the password text field to bypass the lock screen and re-enable certain keyboard shortcuts, which the attacker can use to perform unauthorized actions on the system.
Remediation
Install update from vendor's website.