Re: Samba Remote Zero-Day Exploit

From: paul.szabo@sydney.edu.au
To: bugtraq@securityfocus.com,full-disclosure@lists.grok.org.uk
Cc:
Subject: Re: Samba Remote Zero-Day Exploit
Date:


I find it puzzling how this discussion, including the official Samba
response

  http://www.samba.org/samba/news/symlink_attack.html

fails to consider whether the mentioned configuration (when admin sets
non-default "writeable = yes" but leaving default "wide links = yes")
allows write access to the whole filesystem (where the user has UNIX
rights). I also wonder about the interaction with the setting of "unix
extensions" (which I had set to non-default "no" to help Mac clients).

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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