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Re: please unblock libpng 1.2.15~beta5-0



On Tue, Dec 19, 2006 at 08:57:12AM +0100, Andreas Barth wrote:
>* Steve Langasek (vorlon@debian.org) [061219 08:27]:
>>On Sun, Dec 17, 2006 at 08:13:05AM +1100, Aníbal Monsalve Salazar wrote:
>>>Just for the record. The libpng security issues were communicated
>>>to the security team twice on Nov 9 and 15 2006. On Nov 15 2006
>>>both vorlon and aba were made aware of the security problems.
>>
>>Well no, I'm not aware of these.  Presumably you mean that an email was
>>sent, but I don't seem to have this mail now.
>
>JFTR, I also don't seem to have this mail now.

I'm attaching the email I sent.

>Cheers,
>Andi
>-- 
>  http://home.arcor.de/andreas-barth/

Best Regards,

Aníbal Monsalve Salazar
-- 
http://v7w.com/anibal
From anibal@elida.v7w.com  Sun Nov 19 10:06:30 2006
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Date: Sun, 19 Nov 2006 10:06:30 +1100
From: =?iso-8859-1?Q?An=EDbal?= Monsalve Salazar <anibal@debian.org>
To: Steve Langasek <vorlon@debian.org>, Andreas Barth <aba@debian.org>
Cc: team@security.debian.org, Mike Hommey <mh@glandium.org>,
	Sam Hocevar <sho@debian.org>
Subject: Re: libpng and mozilla
Message-ID: <20061118230630.GE7578@debianrules.debiancolombia.org>
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On Wed, Nov 15, 2006 at 12:53:30PM +1100, Anibal Monsalve Salazar wrote:
>On Tue, Nov 14, 2006 at 05:32:14PM -0500, Glenn Randers-Pehrson wrote:
>>Anibal,  I gather that you are the debian libpng maintainer now, or
>>at least one of them.
>>
>>There is a new security issue regarding malformed sPLT chunks.  We
>>are discussing it on a private list
>>
>>png-mng-security@simplesystems.org
>>Visit
>>http://www.simplesystems.org/mailman/listinfo/png-mng-security
>>to subscribe.  Once subscribed you can look at the archives.
>>
>>Is there another person at debian who should be on the list?
>>
>>Glenn
>
>According to Glenn Randers-Pehrson:
>
>  This bug has been reported to the authorities. The CVE project
>  assigned CVE-2006-5793 for this bug. The suggested date for
>  release of advisories is November 14.
>
>  A copy of the PNG file is at
>  http://www.simplesystems.org/users/glennrp/hidden/crashers/
>
>  The directory contains the PNG file itself (865 kb)
>  bad_sPLT.png and a gzipped tarball (1.6 kb) for easy
>  downloading. bad_sPLT.png.tar.gz
>
>On Thu, Nov 09, 2006 at 12:27:00AM +0100, Mike Hommey wrote:
>>Hi,
>>
>>Part of the latest security updates on Mozilla are some changes to
>>libpng, that I'd like to know if they have been adressed in security
>>updates of ours.
>>
>>Here is the upstream (Mozilla) bug:
>>https://bugzilla.mozilla.org/show_bug.cgi?id=3D334110
>>
>>Since our mozilla-based packages use the system library, we only
>>need to apply the really mozilla specific part of the patch
>>provided, but we need the libpng part to be fixed as well...
>>which is why I'm asking if it is ;)
>
>I packaged libpng-1.2.12 and was trying to fix a FTBFS on my amd64
>machine. It builds perfectly on i386 and sparc. That is using the
>upstream package without the configure script.
>
>I also built libpng-1.2.12 using the upstream package with the
>configure script.
>
>Now I have downloaded libpng-1.2.13 and I'll package it when I
>get home this evening.
>
>libpng-1.2.13 fixes CVE-2006-5793.

I'm about to upload libpng 1.2.13-0. I have run pngtest on i386
amd64 and sparc successfully and firebox 1.5.dfsg+1.5.0.4-1
didn't crash when I pointed it to:

http://www.simplesystems.org/users/glennrp/hidden/crashers/bad_sPLT.png

Best Regards,

An=EDbal Monsalve Salazar
--=20
http://v7w.com/anibal

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