[ GLSA 200901-14 ] Scilab: Insecure temporary file usage

[Pierre-Yves Rofes <py () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200901-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Scilab: Insecure temporary file usage
      Date: January 21, 2009
      Bugs: #245922
        ID: 200901-14

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Synopsis
========

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

Background
==========

Scilab is a scientific software package for numerical computations.

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

    -------------------------------------------------------------------
     Package                 /  Vulnerable  /               Unaffected
    -------------------------------------------------------------------
  1  sci-mathematics/scilab     < 4.1.2-r1                 >= 4.1.2-r1

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

Dmitry E. Oboukhov reported an insecure temporary file usage within the
scilink, scidoc and scidem scripts.

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 Scilab users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sci-mathematics/scilab-4.1.2-r1"

References
==========

  [ 1 ] CVE-2008-4983
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4983

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

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

  http://security.gentoo.org/glsa/glsa-200901-14.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 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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