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Message-ID: <20150703115817.GB12861@lorien.valinor.li>
Date: Fri, 3 Jul 2015 13:58:17 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2015-3258 CVE-2015-3279 cups-filters
Hi Stefan,
On Fri, Jul 03, 2015 at 11:15:24AM +0200, Stefan Cornelius wrote:
> On Fri, 26 Jun 2015 19:59:14 +0200
> Stefan Cornelius <scorneli@...hat.com> wrote:
> > Hi again,
> >
> > I think there's a possible problem with the patch that I failed to
> > catch earlier in the process, so you may want to hold packaging for a
> > bit until this is fully investigated.
> >
> > Sorry for the inconvenience.
>
> Hi,
>
> Even with the patch for CVE-2015-3258 in version 1.0.70 it was possible
> to trigger an integer overflow leading to a heap-based buffer overflow
> using the same vector (specially crafted line sizes).
>
> The integer overflow has been assigned CVE-2015-3279 and is fixed in
> version 1.0.71. Apart from that, the patch also hardens against
> possible crashes due to missing calloc() success checks.
>
> Patch:
> http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7365
>
> Red Hat bug:
> https://bugzilla.redhat.com/show_bug.cgi?id=1238990
Can you confirm, is CVE-2015-3279 the right CVE? The patch uses in the
description CVE-2015-3259. Although I guess the bugzilla entry from
Red Hat contains the right reference.
Regards,
Salvatore
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