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Date: Tue, 1 Jun 2010 14:41:41 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: ghostscript and gv
Please use CVE-2010-2055 for this.
Thanks.
--
JB
----- "Ludwig Nussel" <ludwig.nussel@...e.de> wrote:
> Hi,
>
> ghostscript executes initialization files relative to the current
> directory. Unfortunately the -dSAFER option has no effect on those
> files. So when viewing a file e.g. in /tmp a local attacker could
> have the victim execute arbitrary postscript programs.
> Upstream suggested to use -P- in addition to -dSAFER. That however
> would mean every program using gs to render postscript has to be
> checked. So fixing ghostscripts default behavior might be easier for
> distributions.
> http://bugs.ghostscript.com/show_bug.cgi?id=691339
> http://www.securityfocus.com/archive/1/511433
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=583316
> https://bugzilla.novell.com/show_bug.cgi?id=608071
>
> In the Debian bug report Paul also mentiones that gv creates a
> temporary file in an insecure way:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=583316#10
>
> cu
> Ludwig
>
> --
> (o_ Ludwig Nussel
> //\
> V_/_ http://www.suse.de/
> SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)
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