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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201207-08">
<title>Gnash: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in Gnash which could
result in execution of arbitrary code, Denial of Service, or information
<product type="ebuild">Gnash</product>
<announced>July 09, 2012</announced>
<revised>July 09, 2012: 1</revised>
<access>local, remote</access>
<package name="www-plugins/gnash" auto="yes" arch="*">
<unaffected range="ge">0.8.10-r2</unaffected>
<vulnerable range="lt">0.8.10-r2</vulnerable>
<p>Gnash is a GNU flash movie player that supports many SWF features.</p>
<p>Multiple vulnerabilities have been found in Gnash:</p>
<li>The "nsPluginInstance::setupCookies()" function in plugin.cpp creates
world-readable cookies with predictable file names (CVE-2011-4328).
<li>The "GnashImage::size()" function in GnashImage.h contains an integer
overflow error which could cause a heap-based buffer overflow
<impact type="normal">
<p>A remote attacker could entice a user to open a specially crafted SWF
file, possibly resulting in execution of arbitrary code or a Denial of
Service condition. Furthermore, a local attacker may be able to obtain
sensitive information.
<p>There is no known workaround at this time.</p>
<p>All Gnash users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=www-plugins/gnash-0.8.10-r2"
<uri link="">CVE-2011-4328</uri>
<uri link="">CVE-2012-1175</uri>
<metadata timestamp="Sat, 17 Mar 2012 23:44:44 +0000" tag="requester">ackle</metadata>
<metadata timestamp="Mon, 09 Jul 2012 23:29:06 +0000" tag="submitter">ackle</metadata>