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Re: world-readable shadow backups in SuSe 5.2

daemon@ATHENA.MIT.EDU (Andrew Pitman)
Thu Nov 12 12:39:00 1998

Date: 	Wed, 11 Nov 1998 15:06:16 -0500
Reply-To: Andrew Pitman <ap1@TORCH.ROWAN.EDU>
From: Andrew Pitman <ap1@TORCH.ROWAN.EDU>
X-To:         HD Moore <hdmoore@USA.NET>
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To:  <000c01be0cd0$24d014a0$0100a8c0@entropy>

AFAIK, RedHat does the right thing.

Andrew
--
  "The best thing about standards is that there are so many
   to choose from."
                                              -Anonymous
-------------------------------------------------------------
  Andrew Pitman                           MIS
  Unix System Administrator               Rowan University
-------------------------------------------------------------

On Tue, 10 Nov 1998, HD Moore wrote:

> <( problem )>
>
> The _first_ set of shadow backups created on SuSe 5.2 are world readable.
> This includes '/etc/shadow-' and the original root pass in
> '/etc/shadow.orig'.  I duplicated this on 3 different systems where I had
> just installed SuSe 5.2 with shadowed passwd support.
>
> <( fix )>
>
> The way to fix repair is to just delete all the backup copies and when they
> are re-created they have the right permissions.
>
> <( conclusion )>
>
> Is this an isolated incident with SuSe, or is it a problem inherent to
> shadow?  I know this isn't the first case I've seen default shadow backups
> being world readable (or shadow.tmp's on SunOs).  Could some other package
> be responsible for changing permissions on these?
>

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