The operating system session lock mechanism, when activated on a device with a display screen, must place a publicly viewable pattern onto the associated display, hiding what was previously visible on the screen.

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The operating system session lock mechanism, when activated on a device with a display screen, must place a publicly viewable pattern onto the associated display, hiding what was previously visible on the screen.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-48139	SOL-11.1-040470	SV-61011r1_rule		Medium

Description
A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the system but does not log out because of the temporary nature of the absence. The session lock will also include an obfuscation of the display screen to prevent other users from reading what was previously displayed.

STIG	Date
Solaris 11 SPARC Security Technical Implementation Guide	2017-09-20

Details

Check Text ( C-50571r2_chk )
Using the: System>Preferences>Screensaver Menu item the user can select other screens or disable screensaver. Check that "Disable Screensaver" is not selected in the Gnome Screensaver preferences. If "Disable Screensaver" is selected or "Blank Screen Only" is not selected, this is a finding.

Fix Text (F-51747r2_fix)
Using the: System>Preferences>Screensaver Click on Mode's pull-down and select: Blank Screen Only. Ensure that "Blank Screen Only" is selected.