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[gentoo-announce] [ GLSA 200809-13 ] R: Insecure temporary file creation

Posted on 22 September 2008
Gentoo-announce

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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@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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