bugtraq - [ GLSA 200709-06 ] flac123: Buffer overflow

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Date: Fri, 14 Sep 2007 23:44:48 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200709-06 ] flac123: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200709-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: flac123: Buffer overflow
      Date: September 14, 2007
      Bugs: #186220
        ID: 200709-06

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Synopsis
========

flac123 is affected by a buffer overflow vulnerability, which could
allow for the execution of arbitrary code.

Background
==========

flac123 is a command-line application for playing FLAC audio files.

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

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-sound/flac123      < 0.0.11                       >= 0.0.11

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

A possible buffer overflow vulnerability has been reported in the
local__vcentry_parse_value() function in vorbiscomment.c.

Impact
======

An attacker could entice a user to play a specially crafted audio file,
which could lead to the execution of arbitrary code with the privileges
of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All flac123 users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-sound/flac123-0.0.11"

References
==========

  [ 1 ] CVE-2007-3507
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3507

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

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

  http://security.gentoo.org/glsa/glsa-200709-06.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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