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[ GLSA 200703-06 ] AMD64 x86 emulation Qt library: Integer overflow
From: Raphael Marichez <falco () gentoo org>
Date: Sun, 4 Mar 2007 01:11:27 +0100

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Gentoo Linux Security Advisory                           GLSA 200703-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: AMD64 x86 emulation Qt library: Integer overflow
      Date: March 04, 2007
      Bugs: #153704
        ID: 200703-06

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Synopsis
========

The AMD64 x86 emulation Qt library makes use of an insecure version of
the Qt library, potentially allowing for the remote execution of
arbitrary code.

Background
==========

The AMD64 x86 emulation Qt library for AMD64 emulates the x86 (32-bit)
Qt library on the AMD64 (64-bit) architecture.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  emul-linux-x86-qtlibs       < 10.0                        >= 10.0

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

An integer overflow flaw has been found in the pixmap handling of Qt,
making the AMD64 x86 emulation Qt library vulnerable as well.

Impact
======

By enticing a user to open a specially crafted pixmap image in an
application using the AMD64 x86 emulation Qt library, a remote attacker
could cause an application crash or the remote execution of arbitrary
code with the rights of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All AMD64 x86 emulation Qt library users should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-emulation/emul-linux-x86-qtlibs-10.0"

References
==========

  [ 1 ] GLSA 200611-02
        http://www.gentoo.org/security/en/glsa/glsa-200611-02.xml
  [ 2 ] CVE-2006-4811
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4811

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

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

  http://security.gentoo.org/glsa/glsa-200703-06.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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