module

Cerberus FTP Server SFTP Username Enumeration

Disclosed
2014-05-27
Created
2018-05-30

Description

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.

Authors

Steve Embling
Matt Byrne attackdebris@gmail.com

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

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