[ GLSA 200909-09 ] Screenie: Insecure temporary file usage

[Alex Legler <a3li () gentoo org>]

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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 () gentoo org 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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