2021-08-16 11:27:13 +00:00
|
|
|
id: cisco-smi-exposure
|
2021-08-14 22:21:30 +00:00
|
|
|
|
|
|
|
|
info:
|
2021-08-16 11:27:13 +00:00
|
|
|
name: Cisco Smart Install Endpoints Exposure
|
2021-08-14 22:21:30 +00:00
|
|
|
author: dwisiswant0
|
|
|
|
|
severity: info
|
2021-08-16 08:50:55 +00:00
|
|
|
description: |
|
2021-08-16 11:27:13 +00:00
|
|
|
This template attempts & supports the detection part only by
|
|
|
|
|
connecting to the specified Cisco Smart Install port and determines
|
|
|
|
|
if it speaks the Smart Install Protocol. Exposure of SMI to
|
|
|
|
|
untrusted networks can allow complete compromise of the switch.
|
2021-08-19 13:59:55 +00:00
|
|
|
reference:
|
2021-08-14 22:21:30 +00:00
|
|
|
- https://blog.talosintelligence.com/2017/02/cisco-coverage-for-smart-install-client.html
|
|
|
|
|
- https://blogs.cisco.com/security/cisco-psirt-mitigating-and-detecting-potential-abuse-of-cisco-smart-install-feature
|
|
|
|
|
- https://tools.cisco.com/security/center/content/CiscoSecurityResponse/cisco-sr-20170214-smi
|
|
|
|
|
- https://github.com/Cisco-Talos/smi_check/blob/master/smi_check.py#L52-L53
|
|
|
|
|
- https://github.com/Sab0tag3d/SIET
|
2021-08-16 08:50:55 +00:00
|
|
|
tags: network,cisco,smi,exposure
|
2021-08-14 22:21:30 +00:00
|
|
|
|
|
|
|
|
network:
|
|
|
|
|
- inputs:
|
|
|
|
|
- data: "000000010000000100000004000000080000000100000000"
|
|
|
|
|
type: hex
|
|
|
|
|
|
|
|
|
|
host:
|
|
|
|
|
- "{{Hostname}}"
|
|
|
|
|
- "{{Hostname}}:4786"
|
|
|
|
|
|
|
|
|
|
matchers:
|
|
|
|
|
- type: word
|
|
|
|
|
encoding: hex
|
|
|
|
|
words:
|
|
|
|
|
- "000000040000000000000003000000080000000100000000"
|
