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Gentoo Linux Security Advisory                           GLSA 200608-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: DUMB: Heap buffer overflow
      Date: August 08, 2006
      Bugs: #142387
        ID: 200608-14

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Synopsis
========

A heap-based buffer overflow in DUMB could result in the execution of
arbitrary code.

Background
==========

DUMB (Dynamic Universal Music Bibliotheque) is an IT, XM, S3M and MOD
player library.

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

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  media-libs/dumb     < 0.9.3-r1                        >= 0.9.3-r1

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

Luigi Auriemma found a heap-based buffer overflow in the
it_read_envelope function which reads the envelope values for volume,
pan and pitch of the instruments referenced in a ".it" (Impulse
Tracker) file with a large number of nodes.

Impact
======

By enticing a user to load a malicious ".it" (Impulse Tracker) file, an
attacker may execute arbitrary code with the rights of the user running
the application that uses a vulnerable DUMB library.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All users of DUMB should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/dumb-0.9.3-r1"

References
==========

  [ 1 ] CVE-2006-3668
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3668

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

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

  http://security.gentoo.org/glsa/glsa-200608-14.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 2006 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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