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Gentoo Linux Security Advisory                           GLSA 200801-08
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: libcdio: User-assisted execution of arbitrary code
      Date: January 20, 2008
      Bugs: #203777
        ID: 200801-08

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Synopsis
========

A buffer overflow vulnerability has been discovered in libcdio.

Background
==========

libcdio is a library for accessing CD-ROM and CD images.

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

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libcdio      < 0.78.2-r4                    >= 0.78.2-r4

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

Devon Miller reported a boundary error in the "print_iso9660_recurse()"
function in files cd-info.c and iso-info.c when processing long
filenames within Joliet images.

Impact
======

A remote attacker could entice a user to open a specially crafted ISO
image in the cd-info and iso-info applications, resulting in the
execution of arbitrary code with the privileges of the user running the
application. Applications linking against shared libraries of libcdio
are not affected.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libcdio users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=dev-libs/libcdio-0.78.2-r4"

References
==========

  [ 1 ] CVE-2007-6613
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6613

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

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

  http://security.gentoo.org/glsa/glsa-200801-08.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@gentoo.org 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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