full-disclosure - [ GLSA 200712-11 ] Portage: Information disclosure

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Message-ID: <47619274.3060707@gentoo.org>
Date: Thu, 13 Dec 2007 21:13:40 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200712-11 ] Portage: Information disclosure

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Gentoo Linux Security Advisory                           GLSA 200712-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Portage: Information disclosure
      Date: December 13, 2007
      Bugs: #193589
        ID: 200712-11

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Synopsis
========

Portage may disclose sensitive information when updating configuration
files.

Background
==========

Portage is the default Gentoo package management system.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  sys-apps/portage     < 2.1.3.11                       >= 2.1.3.11

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

Mike Frysinger reported that the "etc-update" utility uses temporary
files with the standard umask, which results in the files being
world-readable when merging configuration files in a default setup.

Impact
======

A local attacker could access sensitive information when configuration
files are being merged.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Portage users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-apps/portage-2.1.3.11"

References
==========

  [ 1 ] CVE-2007-6249
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6249

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

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

  http://security.gentoo.org/glsa/glsa-200712-11.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@...too.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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