Riverbed Optimization System (RiOS) must authenticate network management endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-62955	RICX-DM-000109	SV-77445r1_rule		Medium

Description
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the identity of other devices for connections that are of greater risk. A local connection is any connection with a device communicating without the use of a network. A network connection is any connection with a device that communicates through a network (e.g., local area or wide area network, Internet). A remote connection is any connection with a device communicating through an external network (e.g., the Internet). Because of the challenges of applying this requirement on a large scale, organizations are encouraged to only apply the requirement to those limited number (and type) of devices that truly need to support this capability. For network device management, this has been determined to be network management device addresses, SNMP authentication, and NTP authentication.

Description

Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the identity of other devices for connections that are of greater risk. A local connection is any connection with a device communicating without the use of a network. A network connection is any connection with a device that communicates through a network (e.g., local area or wide area network, Internet). A remote connection is any connection with a device communicating through an external network (e.g., the Internet). Because of the challenges of applying this requirement on a large scale, organizations are encouraged to only apply the requirement to those limited number (and type) of devices that truly need to support this capability. For network device management, this has been determined to be network management device addresses, SNMP authentication, and NTP authentication.

STIG	Date
Riverbed SteelHead CX v8 NDM Security Technical Implementation Guide	2019-10-01

Details

Check Text ( C-63707r1_chk )
Verify that RiOS is configured to authenticate network management endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based (network management portion of the requirement). Navigate to the device CLI Type: enable Type: show configuration full Verify that 'no telnet-server enable' is in the configuration Verify that 'ssh server enable' is set in the configuration Verify that 'web enable' is in the configuration Verify that 'no web http enable' is in the configuration Verify that 'web https enable' is in the configuration If any one of the above settings is missing from the configuration, this is a finding.

Check Text ( C-63707r1_chk )

Verify that RiOS is configured to authenticate network management endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based (network management portion of the requirement).

Navigate to the device CLI
Type: enable
Type: show configuration full
Verify that 'no telnet-server enable' is in the configuration
Verify that 'ssh server enable' is set in the configuration
Verify that 'web enable' is in the configuration
Verify that 'no web http enable' is in the configuration
Verify that 'web https enable' is in the configuration

If any one of the above settings is missing from the configuration, this is a finding.

Fix Text (F-68873r1_fix)
Configure RiOS to Authenticate network management endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based (network management portion of the requirement). Navigate to the device CLI Type: enable Type: config t Type: no telnet-server enable Type: ssh server enable Type: ssh server allowed-cyphers aes128-cbc, 3des-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr Type: web enable Type: no web http enable Type: web https enable Type: write memory Type: exit Type: exit

Fix Text (F-68873r1_fix)

Configure RiOS to Authenticate network management endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based (network management portion of the requirement).

Navigate to the device CLI
Type: enable
Type: config t
Type: no telnet-server enable
Type: ssh server enable
Type: ssh server allowed-cyphers aes128-cbc, 3des-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr
Type: web enable
Type: no web http enable
Type: web https enable
Type: write memory
Type: exit
Type: exit