<?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>2005-03-25</announced> <revised count="01">2005-03-25</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="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0399">CAN-2005-0399</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0401">CAN-2005-0401</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0402">CAN-2005-0402</uri> <uri link="https://www.mozilla.org/projects/security/known-vulnerabilities.html">Mozilla Security Advisories</uri> </references> <metadata tag="submitter" timestamp="2005-03-22T09:29:52Z"> koon </metadata> <metadata tag="bugReady" timestamp="2005-03-25T12:27:17Z"> koon </metadata> </glsa>