GLSA 200712-07 Lookup: Insecure temporary file creation
Posted on: 12/09/2007 11:05 PM

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

Gentoo Linux Security Advisory GLSA 200712-07
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http://security.gentoo.org/
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Severity: Normal
Title: Lookup: Insecure temporary file creation
Date: December 09, 2007
Bugs: #197306
ID: 200712-07

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Synopsis
========

Lookup uses temporary files in an insecure manner, allowing for a
symlink attack.

Background
==========

Lookup is a search interface to books and dictionnaries for Emacs.

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

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-emacs/lookup lt; 1.4.1 gt;= 1.4.1

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

Tatsuya Kinoshita reported that the ndeb-binary function does not
handle temporay files correctly.

Impact
======

A local attacker could use a symlink attack to overwrite files with the
privileges of the user running Lookup.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Lookup users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=app-emacs/lookup-1.4.1"

References
==========

[ 1 ] CVE-2007-0237
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0237

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

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

http://security.gentoo.org/glsa/glsa-200712-07.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



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