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FileZilla FTP Server Malformed PORT Denial of Service

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FileZilla FTP Server Malformed PORT Denial of Service



This module triggers a Denial of Service condition in the FileZilla FTP Server versions 0.9.21 and earlier. By sending a malformed PORT command then LIST command, the server attempts to write to a NULL pointer.


  • aushack <patrick@osisecurity.com.au>


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/dos/windows/ftp/filezilla_server_port
msf auxiliary(filezilla_server_port) > show actions
msf auxiliary(filezilla_server_port) > set ACTION < action-name >
msf auxiliary(filezilla_server_port) > show options
    ...show and set options...
msf auxiliary(filezilla_server_port) > run 

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– Jim O’Gorman | President, Offensive Security