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From: Jim Paris (jimjtan.com)
Date: Wed Aug 15 2001 - 22:04:49 CDT
> You're right, after attempted again I managed to get it to login to my
> FTP server, but ftp was not the best protocol to try it on considering
> the way data back from the server is sent, which there's no way of
I'm not sure what you mean by this, but:
331 Password required for <SCRIPT>alert("hi")</SCRIPT>.
You can pretty easily get arbitrary text sent back to the browser
(with other protocols too, I'm sure), so you could pass back
document, causing your victim's web browser to suddenly become quite
intelligent and useful for future connections..
I can see it now..
1) Victim behind a firewall visits a webpage.
2) Victim's browser connects to an internal anonymous FTP server
3) Victim's browser walks the directory tree, downloads files,
and dumps their contents back to the original webpage.