[Please upgrade X.Org on all distributions -- Raju]
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Cc: full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com,
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Subject: [Full-disclosure] [ GLSA 200509-07 ] X.Org: Heap overflow in pixmap
allocation
Date: Mon, 12 Sep 2005 17:40:59 +0200
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Gentoo Linux Security Advisory GLSA 200509-07
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http://security.gentoo.org/
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Severity: High
Title: X.Org: Heap overflow in pixmap allocation
Date: September 12, 2005
Bugs: #105688
ID: 200509-07
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Synopsis
========
An integer overflow in pixmap memory allocation 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-r3 >= 6.8.2-r3
Description
===========
X.Org is missing an integer overflow check during pixmap memory
allocation.
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-r3"
References
==========
[ 1 ] CAN-2005-2495
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2495
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200509-07.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
[EMAIL PROTECTED] or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 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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******************
--
Raj Mathur [EMAIL PROTECTED] http://kandalaya.org/
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