full-disclosure - Re: IMAP4rev1 2000.283 allows access to system files

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Message-ID: <20020811104824.GA1571@rshell.org>
From: fd at rshell.org (Guy Cohen)
Subject: Re: IMAP4rev1 2000.283 allows access to system files

On Sat, Aug 10, 2002 at 10:53:21PM +0100, Joao Gouveia wrote:
> This is a known, old issue AFAIK.

I've tested seccessfuly on IMAP4rev1 2001.315. Can anyone confirm
this on even newer version?

> 
> Joao Gouveia
> ------------
> tharbad@...tik.org
> 
> On S?b, 2002-08-10 at 18:31, Guy Cohen wrote:
> > Hi,
> > 
> > This just might be misconfiguration on the one imap server I have access
> > too, but It might not.
> > 
> > when trying to check what's up with my mail using telnet, I've
> > issued a command: LIST "*" "*" and to my suprise got a listing of the files
> > in my directory. I could run LIST "../*" "*" and get the listing of directories
> > above mine. and so forth. Well then i tought to my self how far can this go,
> > so i tried SELECT "/etc/hosts"; FETCH 1 (flags rfc822.text) and guess what
> > I saw... then I went on to CREATE "/tmp/MyTest". Writing into other
> > files is a little tricky but can be done with append after using select to
> > find out if the file is writable.
> > 
> > 
> > Cheers,
> >   Guy
> > 
> > -- 
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