full-disclosure - IMAP4rev1 2000.283 allows access to system files

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From: tharbad at kaotik.org (Joao Gouveia)
Subject: IMAP4rev1 2000.283 allows access to system
	files

This is a known, old issue AFAIK.

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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