STIGQter: STIG Summary: Cisco NX-OS Switch RTR Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Apr 2021:

The Cisco Multicast Source Discovery Protocol (MSDP) switch must be configured to authenticate all received MSDP packets.

DISA Rule

SV-221143r622190_rule

Vulnerability Number

V-221143

Group Title

SRG-NET-000343-RTR-000002

Rule Version

CISC-RT-000910

Severity

CAT II

CCI(s)

• CCI-001958 - The information system authenticates an organization-defined list of specific and/or types of devices before establishing a local, remote, or network connection.

Weight

10

Fix Recommendation

Configure the switch to authenticate MSDP messages as shown in the following example:

SW1(config)# ip msdp password x.1.28.2 xxxxxxxxxxxx

Check Contents

Review the switch configuration to determine if received MSDP packets are authenticated.

ip msdp peer x.1.28.2 remote-as nn
ip msdp password peer x.1.28.2 xxxxxxxxxxxx

ip msdp peer x.1.28.2 connect-source Ethernet2/3 remote-as 8
ip msdp password x.1.28.2 3 3ec66c90c104ad13

If the switch does not require MSDP authentication, this is a finding.

Vulnerability Number

V-221143

Documentable

False

Rule Version

CISC-RT-000910

Severity Override Guidance

Review the switch configuration to determine if received MSDP packets are authenticated.

ip msdp peer x.1.28.2 remote-as nn
ip msdp password peer x.1.28.2 xxxxxxxxxxxx

ip msdp peer x.1.28.2 connect-source Ethernet2/3 remote-as 8
ip msdp password x.1.28.2 3 3ec66c90c104ad13

If the switch does not require MSDP authentication, this is a finding.

Check Content Reference

M

Target Key

4075

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