full-disclosure - [ GLSA 200511-21 ] Macromedia Flash Player: Remote arbitrary code execution

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Date: Fri Nov 25 12:09:38 2005
From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200511-21 ] Macromedia Flash Player:
 Remote arbitrary code execution

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Gentoo Linux Security Advisory                           GLSA 200511-21
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Macromedia Flash Player: Remote arbitrary code execution
      Date: November 25, 2005
      Bugs: #112251
        ID: 200511-21

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Synopsis
========

A vulnerability has been identified that allows arbitrary code
execution on a user's system via the handling of malicious SWF files.

Background
==========

The Macromedia Flash Player is a renderer for the popular SWF filetype
which is commonly used to provide interactive websites, digital
experiences and mobile content.

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

    -------------------------------------------------------------------
     Package                 /  Vulnerable  /               Unaffected
    -------------------------------------------------------------------
  1  net-www/netscape-flash      < 7.0.61                    >= 7.0.61

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

When handling a SWF file, the Macromedia Flash Player incorrectly
validates the frame type identifier stored in the SWF file which is
used as an index to reference an array of function pointers. A
specially crafted SWF file can cause this index to reference memory
outside of the scope of the Macromedia Flash Player, which in turn can
cause the Macromedia Flash Player to use unintended memory address(es)
as function pointers.

Impact
======

An attacker serving a maliciously crafted SWF file could entice a user
to view the SWF file and execute arbitrary code on the user's machine.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Macromedia Flash Player users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-www/netscape-flash-7.0.61"

References
==========

  [ 1 ] CVE-2005-2628
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2628
  [ 2 ] Macromedia Announcement

http://www.macromedia.com/devnet/security/security_zone/mpsb05-07.html

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

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

  http://security.gentoo.org/glsa/glsa-200511-21.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 2005 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/2.0

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