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[ GLSA 200908-06 ] CDF: User-assisted execution of arbitrary code
From: Alex Legler <a3li () gentoo org>
Date: Tue, 18 Aug 2009 23:37:06 +0200

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Gentoo Linux Security Advisory                           GLSA 200908-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: CDF: User-assisted execution of arbitrary code
      Date: August 18, 2009
      Bugs: #278679
        ID: 200908-06

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Synopsis
========

Multiple heap-based buffer overflows in CDF might result in the
execution of arbitrary code.

Background
==========

CDF is a library for the Common Data Format which is a self-describing
data format for the storage and manipulation of scalar and
multidimensional data. It is developed by the NASA.

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

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  sci-libs/cdf       < 3.3.0                               >= 3.3.0

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

Leon Juranic reported multiple heap-based buffer overflows for instance
in the ReadAEDRList64(), SearchForRecord_r_64(), LastRecord64(), and
CDFsel64() functions.

Impact
======

A remote attacker could entice a user to open a specially crafted CDF
file, possibly resulting in the execution of arbitrary code with the
privileges of the user running the application, or a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CDF users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =sci-libs/cdf-3.3.0

References
==========

  [ 1 ] CVE-2009-2850
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2850

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

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

  http://security.gentoo.org/glsa/glsa-200908-06.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 () gentoo org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2009 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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