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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200503-31">
<title>Mozilla Firefox: Multiple vulnerabilities</title>
<synopsis>
Mozilla Firefox 1.0.2 fixes new security vulnerabilities, including the
remote execution of arbitrary code through malicious GIF images or
sidebars.
</synopsis>
<product type="ebuild">Firefox</product>
<announced>March 25, 2005</announced>
<revised>March 25, 2005: 01</revised>
<bug>86148</bug>
<access>remote</access>
<affected>
<package name="www-client/mozilla-firefox" auto="yes" arch="*">
<unaffected range="ge">1.0.2</unaffected>
<vulnerable range="lt">1.0.2</vulnerable>
</package>
<package name="www-client/mozilla-firefox-bin" auto="yes" arch="*">
<unaffected range="ge">1.0.2</unaffected>
<vulnerable range="lt">1.0.2</vulnerable>
</package>
</affected>
<background>
<p>
Mozilla Firefox is the popular next-generation browser from the
Mozilla project.
</p>
</background>
<description>
<p>
The following vulnerabilities were found and fixed in Mozilla
Firefox:
</p>
<ul>
<li>Mark Dowd from ISS X-Force reported an
exploitable heap overrun in the GIF processing of obsolete Netscape
extension 2 (CAN-2005-0399)</li>
<li>Kohei Yoshino discovered that a
page bookmarked as a sidebar could bypass privileges control
(CAN-2005-0402)</li>
<li>Michael Krax reported a new way to bypass XUL
security restrictions through drag-and-drop of items like scrollbars
(CAN-2005-0401)</li>
</ul>
</description>
<impact type="normal">
<ul>
<li>The GIF heap overflow could be triggered by a malicious GIF
image that would end up executing arbitrary code with the rights of the
user running Firefox</li>
<li>By tricking the user into bookmarking a
malicious page as a Sidebar, a remote attacker could potentially
execute arbitrary code with the rights of the user running the
browser</li>
<li>By setting up a malicious website and convincing users
to obey very specific drag-and-drop instructions, attackers may
leverage drag-and-drop features to bypass XUL security restrictions,
which could be used as a stepping stone to exploit other
vulnerabilities</li>
</ul>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Mozilla Firefox users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/mozilla-firefox-1.0.2"</code>
<p>
All Mozilla Firefox binary users should upgrade to the latest
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/mozilla-firefox-bin-1.0.2"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0399">CAN-2005-0399</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0401">CAN-2005-0401</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0402">CAN-2005-0402</uri>
<uri link="http://www.mozilla.org/projects/security/known-vulnerabilities.html">Mozilla Security Advisories</uri>
</references>
<metadata tag="submitter" timestamp="Tue, 22 Mar 2005 09:29:52 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Fri, 25 Mar 2005 12:27:17 +0000">
koon
</metadata>
</glsa>
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