Date: Sun, 14 Dec 2008 18:15:31 +0100
From: Pierre-Yves Rofes <py@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200812-15 ] POV-Ray: User-assisted execution of arbitrary
code
X-Enigmail-Version: 0.95.6
Content-Type: multipart/signed; micalg=pgp-sha1;
protocol="application/pgp-signature";
boundary="------------enigEF9FED07DD6ADF9BAE8DFE5F"
X-Virus-Scanned: antivirus-gw at tyumen.ru
This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--------------enigEF9FED07DD6ADF9BAE8DFE5F
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200812-15
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/=
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: POV-Ray: User-assisted execution of arbitrary code
Date: December 14, 2008
Bugs: #153538
ID: 200812-15
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D
POV-Ray includes a version of libpng that might allow for the execution
of arbitrary code when reading a specially crafted PNG file
Background
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
POV-Ray is a well known open-source ray tracer.
Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
-------------------------------------------------------------------=
Package / Vulnerable / Unaffected
-------------------------------------------------------------------=
1 media-gfx/povray < 3.6.1-r4 >=3D 3.6.1-r=
4
Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
POV-Ray uses a statically linked copy of libpng to view and output PNG
files. The version shipped with POV-Ray is vulnerable to CVE-2008-3964,
CVE-2008-1382, CVE-2006-3334, CVE-2006-0481, CVE-2004-0768. A bug in
POV-Ray's build system caused it to load the old version when your
installed copy of libpng was >=3Dmedia-libs/libpng-1.2.10.
Impact
=3D=3D=3D=3D=3D=3D
An attacker could entice a user to load a specially crafted PNG file as
a texture, resulting in the execution of arbitrary code with the
permissions of the user running the application.
Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
There is no known workaround at this time.
Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
All POV-Ray users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dmedia-gfx/povray-3.6.1-r4"
References
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[ 1 ] CVE-2004-0768
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2004-0768
[ 2 ] CVE-2006-0481
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2006-0481
[ 3 ] CVE-2006-3334
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2006-3334
[ 4 ] CVE-2008-1382
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-1382
[ 5 ] CVE-2008-3964
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-3964
Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200812-15.xml
Concerns?
=3D=3D=3D=3D=3D=3D=3D=3D=3D
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=3D=3D=3D=3D=3D=3D=3D
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
--------------enigEF9FED07DD6ADF9BAE8DFE5F
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.9 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
iEYEARECAAYFAklFPz8ACgkQuhJ+ozIKI5g1ywCfSnNxoYKS4nSabivBjBdAqLT0
dk4An3pqSvRDEnfeoBwcSksO7Mz371wN
=5em3
-----END PGP SIGNATURE-----
--------------enigEF9FED07DD6ADF9BAE8DFE5F--
