GLSA 200809-13 R: Insecure temporary file creation
Posted on: 09/22/2008 09:20 PM

A new security update has been released for Gentoo Linux - R: Insecure temporary file creation. Here the announcement:

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
=================

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------=

1 dev-lang/R lt; 2.7.1 gt;= 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 "gt;=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@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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