The operating system must verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions, when used for nonlocal maintenance sessions.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-203738	SRG-OS-000395-GPOS-00175	SV-203738r851809_rule		Medium

Description
If the remote connection is not closed and verified as closed, the session may remain open and be exploited by an attacker; this is referred to as a zombie session. Remote connections must be disconnected and verified as disconnected when nonlocal maintenance sessions have been terminated and are no longer available for use.

STIG	Date
General Purpose Operating System Security Requirements Guide	2022-11-21

Details

Check Text ( C-3863r375278_chk )
Verify the operating system verifies remote disconnection at the termination of nonlocal maintenance and diagnostic sessions, when used for nonlocal maintenance sessions. If it does not, this is a finding.

Fix Text (F-3863r375279_fix)
Configure the operating system to verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions, when used for nonlocal maintenance sessions.