[Full-disclosure] [ GLSA 200903-08 ] gEDA: Insecure temporary file creation

[Robert Buchholz]

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Gentoo Linux Security Advisory                           GLSA 200903-08
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: gEDA: Insecure temporary file creation
      Date: March 07, 2009
      Bugs: #247538
        ID: 200903-08

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Synopsis
========

An insecure temporary file usage has been reported in gEDA, allowing
for symlink attacks.

Background
==========

gEDA is an Electronic Design Automation tool used for electrical
circuit design.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  sci-electronics/geda     < 1.4.0-r1                   >= 1.4.0-r1

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

Dmitry E. Oboukhov reported an insecure temporary file usage within the
sch2eaglepos.sh script.

Impact
======

A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All gEDA users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sci-electronics/geda-1.4.0-r1"

References
==========

  [ 1 ] CVE-2008-5148
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5148

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

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

  http://security.gentoo.org/glsa/glsa-200903-08.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 at gentoo.org or alternatively, you may file a bug at
http://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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