44 lines
1.4 KiB
YAML
44 lines
1.4 KiB
YAML
id: ssh-weakkey-exchange-algo
|
|
|
|
info:
|
|
name: SSH Weak Key Exchange Algorithms Enabled
|
|
author: pussycat0x
|
|
severity: low
|
|
description: |
|
|
SSH Weak Key Exchange Algorithms Enabled indicates that the SSH server or client is configured to allow the use of less secure key exchange methods, posing a potential security risk during the establishment of secure connections. It's crucial to update configurations to prioritize stronger key exchange algorithms.
|
|
reference:
|
|
- https://www.tenable.com/plugins/nessus/153953
|
|
metadata:
|
|
verified: true
|
|
max-request: 2
|
|
shodan-query: product:"OpenSSH"
|
|
tags: js,enum,ssh,misconfig,network
|
|
|
|
javascript:
|
|
- pre-condition: |
|
|
isPortOpen(Host,Port);
|
|
code: |
|
|
let m = require("nuclei/ssh");
|
|
let c = m.SSHClient();
|
|
let response = c.ConnectSSHInfoMode(Host, Port);
|
|
to_json(response);
|
|
args:
|
|
Host: "{{Host}}"
|
|
Port: "22"
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
words:
|
|
- "ServerKex"
|
|
|
|
- type: word
|
|
words:
|
|
- "diffie-hellman-group-exchange-sha1"
|
|
- "diffie-hellman-group1-sha1"
|
|
- "gss-gex-sha1"
|
|
- "gss-group1-sha1"
|
|
- "gss-group14-sha1"
|
|
- "rsa1024-sha1"
|
|
condition: or
|
|
# digest: 4b0a0048304602210097cf374f08b29512614a9e69ea8605018abddda61f043cb46358703a2d3fe34b0221008df104926f407aab1bd0020c6fd5e768b2581e19d355fefac6c73d62e5fa994c:922c64590222798bb761d5b6d8e72950 |