mirror of
https://github.com/projectdiscovery/nuclei-templates.git
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51 lines
1.7 KiB
YAML
51 lines
1.7 KiB
YAML
id: idle-timeout-interval
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info:
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name: Set SSH Idle Timeout Interval
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author: pussycat0x
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severity: low
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description: |
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Missing an SSH idle timeout interval can lead to security risks by allowing unattended sessions to remain open, increasing the chance of unauthorized access or session hijacking.
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remediation: |
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Set ClientAliveInterval 300 and ClientAliveCountMax 0 in /etc/ssh/sshd_config to enforce an idle timeout 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://support.forcepoint.com/s/article/000015900
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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('#ClientAliveInterval') && sshConfig.includes('#ClientAliveCountMax') && !sshConfig.includes('ClientAliveInterval ') && !sshConfig.includes('ClientAliveCountMax ')){
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result += "Set SSH Idle Timeout Interval";
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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
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# digest: 4a0a00473045022100bf9a2fe48184cc61b2acaa709af5dd53f1ad7266dd4f8114200692210f6efd2202207f3942d6d0ff7ab6a301ce5e0c1fa29ccd14bf3425adcb54cf7b80def71b5d1b:922c64590222798bb761d5b6d8e72950 |