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TUCoPS :: Linux :: Gentoo :: b06-1978.htm

Xrender extension buffer overflow



X.Org: Buffer overflow in XRender extension
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@gentoo.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 

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