full-disclosure - [ GLSA 200711-12 ] Tomboy: User-assisted execution of arbitrary code

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Message-ID: <473367A3.3000503@gentoo.org>
Date: Thu, 08 Nov 2007 20:46:43 +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 200711-12 ] Tomboy: User-assisted
	execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200711-12
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Tomboy: User-assisted execution of arbitrary code
      Date: November 08, 2007
      Bugs: #189249
        ID: 200711-12

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Synopsis
========

Tomboy doesn't properly handle environment variables, potentially
allowing a local attacker to execute arbitrary code.

Background
==========

Tomboy is a GTK-based desktop note-taking application written in C# and
the Mono C#.

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

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  app-misc/tomboy     < 0.8.1-r1                        >= 0.8.1-r1

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

Jan Oravec reported that the "/usr/bin/tomboy" script sets the
"LD_LIBRARY_PATH" environment variable incorrectly, which might result
in the current working directory (.) to be included when searching for
dynamically linked libraries of the Mono Runtime application.

Impact
======

A local attacker could entice a user into running Tomboy in a directory
containing a specially crafted library file to execute arbitrary code
with the privileges of the user running Tomboy.

Workaround
==========

Do not run Tomboy from an untrusted working directory.

Resolution
==========

All Tomboy users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-misc/tomboy-0.8.1-r1"

References
==========

  [ 1 ] CVE-2005-4790
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4790

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

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

  http://security.gentoo.org/glsa/glsa-200711-12.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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