full-disclosure - Re: [ GLSA 200708-14 ] NVIDIA drivers: Denial of Service

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Date: Mon, 20 Aug 2007 08:57:07 +0800
From: "Eduardo Tongson" <propolice@...il.com>
To: gentoo-announce@...too.org, bugtraq@...urityfocus.com, 
	full-disclosure@...ts.grok.org.uk, security-alerts@...uxsecurity.com
Subject: Re: [ GLSA 200708-14 ] NVIDIA drivers: Denial of
	Service

On 8/20/07, Raphael Marichez <falco@...too.org> wrote:
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> Gentoo Linux Security Advisory                           GLSA 200708-14
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>                                             http://security.gentoo.org/
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
>   Severity: Normal
>      Title: NVIDIA drivers: Denial of Service
>       Date: August 19, 2007
>       Bugs: #183567
>         ID: 200708-14
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
> Synopsis
> ========
>
> A vulnerability has been discovered in the NVIDIA graphic drivers,
> allowing for a Denial of Service.
>
> Background
> ==========
>
> The NVIDIA drivers provide support for NVIDIA graphic boards.
>
> Affected packages
> =================
>
>     -------------------------------------------------------------------
>      Package                     /   Vulnerable   /         Unaffected
>     -------------------------------------------------------------------
>   1  x11-drivers/nvidia-drivers      < 100.14.09          >= 100.14.09
>                                                           *>= 1.0.9639
>                                                           *>= 1.0.7185
>
> Description
> ===========
>
> Gregory Shikhman discovered that the default Gentoo setup of NVIDIA
> drivers creates the /dev/nvidia* with insecure file permissions.
>
> Impact
> ======
>
> A local attacker could send arbitrary values into the devices, possibly
> resulting in hardware damage on the graphic board or a Denial of
> Service.
>
> Workaround
> ==========
>
> There is no known workaround at this time.
>
> Resolution
> ==========
>
> All NVIDIA drivers users should upgrade to the latest version:
>
>     # emerge --sync
>     # emerge --ask --oneshot --verbose "x11-drivers/nvidia-drivers"
>
> References
> ==========
>
>   [ 1 ] CVE-2007-3532
>         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3532
>
> Availability
> ============
>
> This GLSA and any updates to it are available for viewing at
> the Gentoo Security Website:
>
>   http://security.gentoo.org/glsa/glsa-200708-14.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 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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