GLSA 200707-08 NVClock: Insecure file usage
Posted on: 07/25/2007 02:05 AM

A new security update has been released for Gentoo Linux - NVClock: Insecure file usage. Here the announcement:

Gentoo Linux Security Advisory GLSA 200707-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: NVClock: Insecure file usage
Date: July 24, 2007
Bugs: #184071
ID: 200707-08

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A vulnerability has been discovered in NVClock, allowing for the
execution of arbitrary code.

Background
==========

NVClock is an utility for changing NVidia graphic chipsets internal
frequency.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-video/nvclock lt; 0.7-r2 gt;= 0.7-r2

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

Tavis Ormandy of the Gentoo Linux Security Team discovered that NVClock
makes usage of an insecure temporary file in the /tmp directory.

Impact
======

A local attacker could create a specially crafted temporary file in
/tmp to execute arbitrary code with the privileges of the user running
NVCLock.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All NVClock users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=media-video/nvclock-0.7-r2"

References
==========

[ 1 ] CVE-2007-3531
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3531

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

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

http://security.gentoo.org/glsa/glsa-200707-08.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 2007 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



Printed from Linux Compatible (http://www.linuxcompatible.org/news/story/glsa_200707_08_nvclock_insecure_file_usage.html)