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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200601-08">
<title>Blender: Heap-based buffer overflow</title>
<synopsis>
Blender is vulnerable to a buffer overflow that may be exploited by
attackers to execute arbitrary code.
</synopsis>
<product type="ebuild">blender</product>
<announced>January 13, 2006</announced>
<revised>January 13, 2006: 01</revised>
<bug>118163</bug>
<access>remote</access>
<affected>
<package name="media-gfx/blender" auto="yes" arch="*">
<unaffected range="ge">2.40</unaffected>
<vulnerable range="lt">2.40</vulnerable>
</package>
</affected>
<background>
<p>
Blender is an open source software for 3D modeling, animation,
rendering, post-production, interactive creation and playback.
</p>
</background>
<description>
<p>
Damian Put has reported a flaw due to an integer overflow in the
"get_bhead()" function, leading to a heap overflow when processing
malformed ".blend" files.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user into opening a specially
crafted ".blend" file, resulting in the execution of arbitrary code
with the permissions of the user running Blender.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Blender users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-gfx/blender-2.40&quot;</code>
</resolution>
<references>
<uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4470">CVE-2005-4470</uri>
</references>
<metadata tag="requester" timestamp="Tue, 10 Jan 2006 19:17:22 +0000">
DerCorny
</metadata>
<metadata tag="bugReady" timestamp="Tue, 10 Jan 2006 19:17:39 +0000">
DerCorny
</metadata>
<metadata tag="submitter" timestamp="Wed, 11 Jan 2006 01:12:10 +0000">
adir
</metadata>
</glsa>