[431] in bugtraq
Re: Race conditions
daemon@ATHENA.MIT.EDU (Jason Matthews)
Thu Dec 8 07:13:56 1994
Date: Thu, 8 Dec 1994 02:41:29 -0800 (PST)
From: Jason Matthews <jason@dickory.sdsu.edu>
To: Michael Bresnahan <gudu@winternet.com>
Cc: bugtraq@fc.net
In-Reply-To: <m0rFPgI-000Sx1C@icicle.winternet.com>
On Wed, 7 Dec 1994, Michael Bresnahan wrote:
> How does one code a suid program so that it evades these problems with
> symlink race conditions? Is there a way to atomically check if a file
> is a symlink and open it, or is there another stratedgy?
Simply do not use any temporary files...
Jason
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jason@mentor.sdsu.edu College of Engineering
jason@BOOM.extern.ucsd.edu Electrical*Computer Engineering
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