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Date: Mon, 21 Nov 2011 18:33:07 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: Did this ArchLinux/shaman thing ever get a CVE?

On 11/14/2011 09:15 AM, Kurt Seifried wrote:
> Did this ever get a CVE #? I can't find one.
>
> https://bbs.archlinux.org/viewtopic.php?id=64066&p=1
>
> ====================
> The point of this thread was that you don't need to enter the root
> password at all. Not the first time, not ever.
>
> As far as I understand, it is supposed to work like this: When you
> first use shaman too install anything, it asks for the root password
> You can tick a "Do not ask me again"-box, so you don't have to enter
> the password again. If you tick the box and enter the password, shaman
> add the lines
> [auth]
> askforpwd=false
> to the users shaman.conf-file (~./config/shaman/shaman.conf) The next
> time shaman is run, it checks the config file, and if the askforpwd
> value is set to false, it grants itself root privileges (with some
> nifty setuuid root-thingy, I imagine) This is not the problem - this
> is the feature.
>
> The bug is this:
> the fact that any user can add the lines
> [auth]
> askforpwd=false
> to his own shaman.conf file, without ever entering the root password
> in shaman. The next time shaman is run, it checks the config file, and
> if the askforpwd value is set to false, it grants itself root
> privileges - even though the user has never entered the root password.
> This works for any unprivileged user on the system.
>
> If that is indeed a feature intended by any sane person, then I'm
> Mother Mary. And that can't be, seeing as I don't have breasts.
> ====================
>
>
> Appears to never have been fixed, the last release of shaman appears
> to have been 1.0.9 in 2008-09-06, the bug report was filed 2009-01-28.
>
Please use CVE-2011-4338 for this issue.

-- 

-Kurt Seifried / Red Hat Security Response Team

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