[Full-disclosure] [ GLSA 200809-13 ] R: Insecure temporary file creation

[Pierre-Yves Rofes]

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Gentoo Linux Security Advisory                           GLSA 200809-13
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                                              http://security.gentoo.org/
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    Severity: Normal
       Title: R: Insecure temporary file creation
        Date: September 22, 2008
        Bugs: #235822
          ID: 200809-13

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Synopsis
========

R is vulnerable to symlink attacks due to an insecure usage of
temporary files.

Background
==========

R is a GPL licensed implementation of S, a language and environment for
statistical computing and graphics.

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

      -------------------------------------------------------------------
       Package     /  Vulnerable  /                           Unaffected
      -------------------------------------------------------------------
    1  dev-lang/R       < 2.7.1                                 >= 2.7.1

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

Dmitry E. Oboukhov reported that the "javareconf" script uses temporary
files in an insecure manner.

Impact
======

A local attacker could exploit this vulnerability to overwrite
arbitrary files with the privileges of the user running the
application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All R users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-lang/R-2.7.1"

References
==========

    [ 1 ] CVE-2008-3931
          http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3931

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

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

    http://security.gentoo.org/glsa/glsa-200809-13.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 2008 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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