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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200811-04">
<title>Graphviz: User-assisted execution of arbitrary code</title>
<synopsis>
A buffer overflow in Graphviz might lead to user-assisted execution of
arbitrary code via a DOT file.
</synopsis>
<product type="ebuild">graphviz</product>
<announced>2008-11-09</announced>
<revised count="01">2008-11-09</revised>
<bug>240636</bug>
<access>remote</access>
<affected>
<package name="media-gfx/graphviz" auto="yes" arch="*">
<unaffected range="ge">2.20.3</unaffected>
<vulnerable range="lt">2.20.3</vulnerable>
</package>
</affected>
<background>
<p>
Graphviz is an open source graph visualization software.
</p>
</background>
<description>
<p>
Roee Hay reported a stack-based buffer overflow in the push_subg()
function in parser.y when processing a DOT file with a large number of
Agraph_t elements.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user or automated system to open a
specially crafted DOT file in an application using Graphviz, possibly
leading to the execution of arbitrary code.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Graphviz users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/graphviz-2.20.3"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4555">CVE-2008-4555</uri>
</references>
<metadata tag="requester" timestamp="2008-10-16T18:49:15Z">
keytoaster
</metadata>
<metadata tag="submitter" timestamp="2008-10-21T20:26:38Z">
keytoaster
</metadata>
<metadata tag="bugReady" timestamp="2008-10-31T00:00:32Z">
rbu
</metadata>
</glsa>
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