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41 lines
1.4 KiB
YAML
41 lines
1.4 KiB
YAML
id: ssh-weakkey-exchange-algo
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info:
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name: SSH Weak Key Exchange Algorithms Enabled
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author: pussycat0x
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severity: low
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description: |
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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.
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reference:
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- https://www.tenable.com/plugins/nessus/153953
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metadata:
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verified: true
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max-request: 1
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shodan-query: product:"OpenSSH"
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tags: javascript,ssh,misconfig,network
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javascript:
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- code: |
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let m = require("nuclei/ssh");
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let c = m.SSHClient();
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let response = c.ConnectSSHInfoMode(Host, Port);
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to_json(response);
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args:
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Host: "{{Host}}"
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Port: "22"
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matchers-condition: and
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matchers:
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- type: word
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words:
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- "ServerKex"
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- type: word
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words:
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- "diffie-hellman-group-exchange-sha1"
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- "diffie-hellman-group1-sha1"
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- "gss-gex-sha1"
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- "gss-group1-sha1"
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- "gss-group14-sha1"
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- "rsa1024-sha1"
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condition: or
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# digest: 4b0a00483046022100affb469cb47fdf6a1dc261260ff31df464e3b4190c7865dd244a1a54377e38a3022100e0c23f98d8f880e3c5b24dc0643c771f65077afaae255bf5259a4e8db43f229a:922c64590222798bb761d5b6d8e72950 |