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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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