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50 lines
1.3 KiB
YAML
50 lines
1.3 KiB
YAML
id: disable-ssh-protocol-1
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info:
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name: Disable SSH Protocol 1
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author: pussycat0x
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severity: low
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description: |
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Using SSH Protocol 1 is insecure as it lacks strong encryption and integrity checks, making it vulnerable to man-in-the-middle attacks, session hijacking, and other exploits. It is recommended to use SSH Protocol 2 for enhanced security.
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remediation: |
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Set Protocol 2 in /etc/ssh/sshd_config to disable SSH Protocol 1 and restart the SSH service.
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reference:
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- https://vishalraj82.medium.com/hardening-openssh-security-37f5d634015f
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- https://www.ktchost.com/blog/enable-ssh-protocol-2/
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metadata:
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verified: true
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tags: audit,config,ssh,auth
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javascript:
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- pre-condition: |
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isPortOpen(Host,Port)
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code: |
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var m = require("nuclei/ssh");
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var c = m.SSHClient();
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c.Connect(Host,Port,User,Pass);
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const sshConfig = c.Run('cat /etc/ssh/sshd_config')
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sshConfig
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let result = "";
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if (!sshConfig.includes('Protocol 2')) {
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result += "Disable SSH Protocol 1; ";
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}
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else{
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exit();
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}
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result
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args:
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Host: "{{Host}}"
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Port: "22"
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User: "{{usernames}}"
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Pass: "{{passwords}}"
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matchers:
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- type: dsl
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dsl:
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- "success == true"
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extractors:
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- type: dsl
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dsl:
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- response |