bugtraq - [ GLSA 200605-02 ] X.Org: Buffer overflow in XRender extension

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Date: Tue, 2 May 2006 20:14:52 +0200
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200605-02 ] X.Org: Buffer overflow in
	XRender extension

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Gentoo Linux Security Advisory                           GLSA 200605-02
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                                            http://security.gentoo.org/
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  Severity: High
     Title: X.Org: Buffer overflow in XRender extension
      Date: May 02, 2006
      Bugs: #130979
        ID: 200605-02

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Synopsis
========

A buffer overflow in the XRender extension potentially allows any X.Org
user to execute arbitrary code with elevated privileges.

Background
==========

X.Org is X.Org Foundation's public implementation of the X Window
System.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  x11-base/xorg-x11     < 6.8.2-r7                      >= 6.8.2-r7

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

X.Org miscalculates the size of a buffer in the XRender extension.

Impact
======

An X.Org user could exploit this issue to make the X server execute
arbitrary code with elevated privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All X.Org users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=x11-base/xorg-x11-6.8.2-r7"

References
==========

  [ 1 ] CVE-2006-1526
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1526

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

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

  http://security.gentoo.org/glsa/glsa-200605-02.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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

Content of type "application/pgp-signature" skipped

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