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    Cerberus FTP Server SFTP Username Enumeration

    This module uses a dictionary to brute force valid usernames from Cerberus FTP server via SFTP. This issue affects all versions of the software older than 6.0.9.0 or 7.0.0.2 and is caused by a discrepancy in the way the SSH service handles failed logins for valid and invalid users. This issue was discovered by Steve Embling.

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    Module Name

    auxiliary/scanner/ssh/cerberus_sftp_enumusers

    Authors

    • Steve Embling
    • Matt Byrne <attackdebris [at] gmail.com>

    References

    Reliability

    Development

    Module Options

    To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

    msf > use auxiliary/scanner/ssh/cerberus_sftp_enumusers msf auxiliary(cerberus_sftp_enumusers) > show actions ...actions... msf auxiliary(cerberus_sftp_enumusers) > set ACTION <action-name> msf auxiliary(cerberus_sftp_enumusers) > show options ...show and set options... msf auxiliary(cerberus_sftp_enumusers) > run