Home / mailings [gentoo-announce] [ GLSA 200712-07 ] Lookup: Insecure temporary file creation
Posted on 09 December 2007
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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
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1 app-emacs/lookup < 1.4.1 >= 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 ">=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
