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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@gentoo.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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