freeFTPd 1.0.10 and below contains an overflow condition that is triggered as user-supplied input is not properly validated when handling a specially crafted PASS command. This may allow a remote attacker to cause a buffer overflow, resulting in a denial of service or allow the execution of arbitrary code. freeFTPd must have an account set to authorization anonymous user account.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.
– Jim O’Gorman | President, Offensive Security