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Gentoo Linux Security Advisory                           GLSA 200805-12
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Blender: Multiple vulnerabilities
      Date: May 12, 2008
      Bugs: #219008
        ID: 200805-12

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Synopsis
========

Multiple vulnerabilities in Blender might result in the remote
execution of arbitrary code.

Background
==========

Blender is a 3D creation, animation and publishing program.

Affected packages
=================

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  media-gfx/blender      < 2.43-r2                       >= 2.43-r2

Description
===========

Stefan Cornelius (Secunia Research) reported a boundary error within
the imb_loadhdr() function in in the file
source/blender/imbuf/intern/radiance_hdr.c when processing RGBE images
(CVE-2008-1102). Multiple vulnerabilities involving insecure usage of
temporary files have also been reported (CVE-2008-1103).

Impact
======

A remote attacker could entice a user to open a specially crafted file
(.hdr or .blend), possibly resulting in the remote execution of
arbitrary code with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Blender users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/blender-2.43-r2"

References
==========

  [ 1 ] CVE-2008-1102
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1102
  [ 2 ] CVE-2008-1103
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1103

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200805-12.xml

Concerns?
=========

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@g.o or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

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
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