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Message-ID: <20090114152504.GB24376@ngolde.de>
Date: Wed, 14 Jan 2009 16:25:04 +0100
From: Nico Golde <oss-security+ml@...lde.de>
To: oss-security@...ts.openwall.com
Subject: Re: update on CVE-2008-5718
Hi,
* Thomas Biege <thomas@...e.de> [2009-01-14 15:50]:
> On Wed, Jan 14, 2009 at 12:32:07AM +0100, Nico Golde wrote:
> > Hi,
> > I just did a security update for CVE-2008-5718 and since the
> > description is not really verbose I thought I'd share what I
> > found in case anyone else is working on that.
> ...
> > Cheers
> > Nico
> > P.S. The patch I used can be found on:
> > http://people.debian.org/~nion/nmu-diff/netatalk-2.0.3-11_2.0.3-11+lenny1.patch
>
> I am not very happy with the patch because it just filters a handful of
> characters, a better solution would be to replace popen().
> (I mentioned this on the netatalk-devel ML but got no answer so far.)
It is no full shell escape but escapes everything that
should be relevant for command injection. Sure, replacing
the popen would be the better option but I was not too happy
doing this as I guess it's more likely to break existing
functionality with it by accident.
Cheers
Nico
--
Nico Golde - http://www.ngolde.de - nion@...ber.ccc.de - GPG: 0x73647CFF
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