[Full-Disclosure] [ GLSA 200502-31 ] uim: Privilege escalation vulnerability

[Sune Kloppenborg Jeppesen]

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Gentoo Linux Security Advisory                           GLSA 200502-31
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: uim: Privilege escalation vulnerability
      Date: February 28, 2005
      Bugs: #82678
        ID: 200502-31

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Synopsis
========

Under certain conditions, applications linked against uim suffer from a
privilege escalation vulnerability.

Background
==========

uim is a simple, secure and flexible input method library.

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

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  app-i18n/uim      < 0.4.5.1                            >= 0.4.5.1

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

Takumi Asaki discovered that uim insufficiently checks environment
variables. setuid/setgid applications linked against libuim could end
up executing arbitrary code. This vulnerability only affects
immodule-enabled Qt (if you build Qt 3.3.2 or later versions with
USE="immqt" or USE="immqt-bc").

Impact
======

A malicious local user could exploit this vulnerability to execute
arbitrary code with escalated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All uim users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-i18n/uim-0.4.5.1"

References
==========

  [ 1 ] CAN-2005-0503
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0503
  [ 2 ] uim announcement
        http://lists.freedesktop.org/archives/uim/2005-February/000996.html

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

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

  http://security.gentoo.org/glsa/glsa-200502-31.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 at gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 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/2.0
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