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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200611-03">
<title>NVIDIA binary graphics driver: Privilege escalation vulnerability</title>
<synopsis>
The NVIDIA binary graphics driver is vulnerable to a local privilege
escalation through an X session.
</synopsis>
<product type="ebuild">nvidia-drivers</product>
<announced>November 07, 2006</announced>
<revised>November 10, 2006: 02</revised>
<bug>151635</bug>
<access>remote, local</access>
<affected>
<package name="x11-drivers/nvidia-drivers" auto="yes" arch="*">
<unaffected range="ge">1.0.8776</unaffected>
<unaffected range="lt">1.0.8762</unaffected>
<vulnerable range="lt">1.0.8776</vulnerable>
</package>
</affected>
<background>
<p>
The NVIDIA binary graphics driver from NVIDIA Corporation provides the
kernel module and the GL modules for graphic acceleration on the NVIDIA
based graphic cards.
</p>
</background>
<description>
<p>
Rapid7 reported a boundary error in the NVIDIA binary graphics driver
that leads to a buffer overflow in the accelerated rendering
functionality.
</p>
</description>
<impact type="high">
<p>
An X client could trigger the buffer overflow with a maliciously
crafted series of glyphs. A remote attacker could also entice a user to
open a specially crafted web page, document or X client that will
trigger the buffer overflow. This could result in the execution of
arbitrary code with root privileges or at least in the crash of the X
server.
</p>
</impact>
<workaround>
<p>
Disable the accelerated rendering functionality in the Device section
of xorg.conf :
</p>
<code>Option &quot;RenderAccel&quot; &quot;false&quot;</code>
</workaround>
<resolution>
<p>
NVIDIA binary graphics driver users should upgrade to the latest
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=x11-drivers/nvidia-drivers-1.0.8776&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5379">CVE-2006-5379</uri>
</references>
<metadata tag="requester" timestamp="Tue, 24 Oct 2006 09:12:20 +0000">
falco
</metadata>
<metadata tag="submitter" timestamp="Tue, 24 Oct 2006 14:25:34 +0000">
falco
</metadata>
<metadata tag="bugReady" timestamp="Tue, 24 Oct 2006 14:27:05 +0000">
falco
</metadata>
</glsa>