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Gentoo Linux Security Advisory                           GLSA 200809-13
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                                              https://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
          https://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:

    https://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@gentoo.org or alternatively, you may file a bug at
https://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.

https://creativecommons.org/licenses/by-sa/2.5