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To: gentoo-announce@g.o
From: Alex Legler <a3li@g.o>
Subject: [ GLSA 200909-09 ] Screenie: Insecure temporary file usage
Date: Wed, 9 Sep 2009 15:22:54 +0200
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Gentoo Linux Security Advisory                           GLSA 200909-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Screenie: Insecure temporary file usage
      Date: September 09, 2009
      Bugs: #250476
        ID: 200909-09

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Synopsis
========

An insecure temporary file usage has been reported in Screenie,
allowing for symlink attacks.

Background
==========

Screenie is a small screen frontend that is designed to be a session
handler.

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

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  app-misc/screenie      < 1.30.0-r1                   >= 1.30.0-r1

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

Dmitry E. Oboukhov reported that Screenie does not handle
"/tmp/.screenie.#####" temporary files securely.

Impact
======

A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Screenie users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =app-misc/screenie-1.30.0-r1

References
==========

  [ 1 ] CVE-2008-5371
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5371

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

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

  http://security.gentoo.org/glsa/glsa-200909-09.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@g.o or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2009 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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Updated Jun 25, 2012

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