full-disclosure - Re: Leveraging pam

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Message-Id: <201105311219.p4VCJgOd027899@bari.maths.usyd.edu.au>
Date: Tue, 31 May 2011 22:19:42 +1000
From: paul.szabo@...ney.edu.au
To: full-disclosure@...ts.grok.org.uk, peter@...ts.nl
Subject: Re: Leveraging pam_env to steal DSA keys

Peter van Dijk <peter@...ts.nl> wrote:

> lilo.conf commonly has whitespace around '=', pam_env does not tolerate that

Not mine! I specifically grep-ed for '[^ ]=[^ ]' in files in /etc which
are unreadable to mortals.

> bind configs don't even use '=' and are often indented, pam_env does not tolerate indents

My bind configs have something like
  secret "abcdef==";
(seems base64-encoded something). I did not realize that leading blanks
were also an "issue".

> If I understand correctly, Debian (and, I presume, Ubuntu) put this
> bug on low priority precisely because there were very few practical
> applications that they knew of.

So far, my lilo.conf is a worry (for me).

Thanks, Paul

Paul Szabo   psz@...hs.usyd.edu.au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia

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