Re: [exim] Local user enumeration through RCPT

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Autor: Phill Wood
Data:  
Para: John Burnham
CC: exim-users
Asunto: Re: [exim] Local user enumeration through RCPT
On Dec 17, 2007 2:42 PM, John Burnham <jpb15@???> wrote:

> > One of the servers we look after was recently "penetration
> > tested" and they
> > could find very little wrong so they complained about silly
> > things like it's
> > possible to see which users locally exist on the server
> > through the answer
> > Exim provides to the RCPT command.
> >
> Actually, surely all it's doing is enumerating the email addresses that
> that server
> accepts mail for.... This may have little or no connection to the OS user
> accounts.



True. It mostly relays, but does deliver one domain locally. Like I said,
seems perfectly fine to me, which it is!


Cheers
Phill

>
> J
>
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