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Re: Samba Remote Zero-Day Exploit
From: paul.szabo () sydney edu au
Date: Sat, 6 Feb 2010 09:03:54 +1100

Dear Kingcope,

The samba server follows symlinks by default. There are options
("follow symlinks", "wide links") for turning it off:

http://www.samba.org/samba/docs/using_samba/ch08.html#samba2-CHP-8-SECT-1.2
http://www.samba.org/samba/docs/man/manpages-3/smb.conf.5.html#FOLLOWSYMLINKS
http://www.samba.org/samba/docs/man/manpages-3/smb.conf.5.html#WIDELINKS

The "problem" at your installation seems a mis-configuration of
your server: please ask the admin to set "secure" options.
(Some samba installations, like mine, wish to allow same access as a
UNIX login would allow. Some shares like [home] are provided for ease
of use, users are encouraged to create symlinks to other "interesting"
places e.g. NFS-mounted directories.)

Cheers, Paul

Paul Szabo   psz () maths usyd edu au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia

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