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List:       oss-security
Subject:    Re: [oss-security] CVE id request: GNU libc: NIS shadow password
From:       Josh Bressers <bressers () redhat ! com>
Date:       2010-01-11 13:15:17
Message-ID: 746025907.31271263215717308.JavaMail.root () zmail01 ! collab ! prod ! int ! phx2 ! redhat ! com
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----- "Christoph Pleger" <Christoph.Pleger@cs.tu-dortmund.de> wrote:
> 
> I did a little testing with a Linux NIS client and a Linux NIS server,
> also with the same client and a Solaris NIS server. I used tcpdump to
> look at the network traffic and saw that, when ypcat is called as root,
> it uses privileged ports. Of course, when called by a non-root user, it
> only uses non-privileged ports.
> 
> It seems that Linux NIS servers as well as Solaris NIS servers expect
> that the request is sent from a privileged port when someone wants to
> look at the "secret" maps, so it is not possible for every user to see
> the encrypted NIS passwords, but only for root. This is still a security
> risk in an environment where every user can connect his or her own
> notebook, but that's another problem.
> 

I was mistaken, this certainly deserves a CVE id.

Please use CVE-2010-0015

Thanks.

-- 
    JB
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