Subject: Re: tar ignores filenames that contain `..'
To: Frederick Bruckman <fredb@immanent.net>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-pkg
Date: 10/23/2002 09:47:59
On Wed, Oct 23, 2002 at 11:35:27AM -0500, Frederick Bruckman wrote:
> Would it be acceptable, security-wise, to permit relative links in the
> archive (slash-package) with some constraints, like making sure
> leading directories are not symlinks, and counting them to make sure
> that that any "../"'s don't break out of the extracted heirarchy? Or
> are relative links so evil, that we have to change the way we support
> building to ${DESTDIR}?
That certainly seems acceptable to me.
--
-- Jason R. Thorpe <thorpej@wasabisystems.com>