[ GLSA 200701-19 ] OpenLDAP: Insecure usage of /tmp during installation
Date: Tue, 23 Jan 2007 23:38:07 +0100
From: Raphael Marichez <falco@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200701-19 ] OpenLDAP: Insecure usage of /tmp during installation
Message-ID: <20070123223807.GD28520@falco.falcal.net.>
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Gentoo Linux Security Advisory GLSA 200701-19
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http://security.gentoo.org/
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Severity: Low
Title: OpenLDAP: Insecure usage of /tmp during installation
Date: January 23, 2007
Bugs: #159508
ID: 200701-19
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Synopsis
========
A shell script commonly released with OpenLDAP makes insecure usage of
files in /tmp during the emerge process.
Background
==========
OpenLDAP Software is an open source implementation of the Lightweight
Directory Access Protocol.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-nds/openldap < 2.1.30-r10 >= 2.1.30-r10
>= 2.2.28-r7
>= 2.3.30-r2
net-nds/openldap < 2.2.28-r7 >= 2.1.30-r10
>= 2.2.28-r7
>= 2.3.30-r2
net-nds/openldap < 2.3.30-r2 >= 2.1.30-r10
>= 2.2.28-r7
>= 2.3.30-r2
Description
===========
Tavis Ormandy of the Gentoo Linux Security Team has discovered that the
file gencert.sh distributed with the Gentoo ebuild for OpenLDAP does
not exit upon the existence of a directory in /tmp during installation
allowing for directory traversal.
Impact
======
A local attacker could create a symbolic link in /tmp and potentially
overwrite arbitrary system files upon a privileged user emerging
OpenLDAP.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All OpenLDAP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose "net-nds/openldap"
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200701-19.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
[email protected] 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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