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* [gentoo-announce] [ GLSA 200908-10 ] Dillo: User-assisted execution of arbitrary code
@ 2009-08-18 21:37 99% Alex Legler
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From: Alex Legler @ 2009-08-18 21:37 UTC (permalink / raw
  To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts

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Gentoo Linux Security Advisory                           GLSA 200908-10
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Dillo: User-assisted execution of arbitrary code
      Date: August 18, 2009
      Bugs: #276432
        ID: 200908-10

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Synopsis
========

An integer overflow in the PNG handling of Dillo might result in the
remote execution of arbitrary code.

Background
==========

Dillo is a graphical web browser known for its speed and small
footprint.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  www-client/dillo       < 2.1.1                           >= 2.1.1

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

Tilei Wang reported an integer overflow in the Png_datainfo_callback()
function, possibly leading to a heap-based buffer overflow.

Impact
======

A remote attacker could entice a user to open an HTML document
containing a specially crafted, large PNG image, possibly resulting in
the execution of arbitrary code with the privileges of the user running
the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Dillo users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =www-client/dillo-2.1.1

References
==========

  [ 1 ] CVE-2009-2294
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2294

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

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

  http://security.gentoo.org/glsa/glsa-200908-10.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
https://bugs.gentoo.org.

License
=======

Copyright 2009 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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