The An A/B switch is used to switch a peripheral device that has persistent memory or devices that support removable media between two or more ISs of different classification levels.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6762	KVM04.009.00	SV-6984r1_rule	DCBP-1	High

Description
If the peripheral device attached to an A/B switch, which is connected to ISs of differing classification levels, can be written to and read from this can lead to the compromise of sensitive or classified data and/or the compromise of the ISs. The IAO or SA will ensure that A/B switches are not used to switch a peripheral device that has persistent memory or devices that support removable media between two or more ISs of different classification levels.

Description

If the peripheral device attached to an A/B switch, which is connected to ISs of differing classification levels, can be written to and read from this can lead to the compromise of sensitive or classified data and/or the compromise of the ISs. The IAO or SA will ensure that A/B switches are not used to switch a peripheral device that has persistent memory or devices that support removable media between two or more ISs of different classification levels.

STIG	Date
Keyboard Video and Mouse Switch STIG	2014-08-04

Details

Check Text ( C-2909r1_chk )
The reviewer will view the A/B switch to verify that the A/B switch is not used to switch a peripheral device that has persistent memory or devices that support removable media between two or more ISs of different classification levels. This would include but not be limited to ZIP drives, hard disk drives, and writable CD drives.

Fix Text (F-6415r1_fix)
Remove the A/B switch used to switch a peripheral device that has persistent memory or devices that support removable media between two or more ISs of different classification levels.