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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