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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200708-17">
+ <title>Opera: Multiple vulnerabilities</title>
+ <synopsis>
+ Opera contain several vulnerabilities, some of which may allow the
+ execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">opera</product>
+ <announced>2007-08-22</announced>
+ <revised count="01">2007-08-22</revised>
+ <bug>185497</bug>
+ <bug>188987</bug>
+ <access>remote</access>
+ <affected>
+ <package name="www-client/opera" auto="yes" arch="*">
+ <unaffected range="ge">9.23</unaffected>
+ <vulnerable range="lt">9.23</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Opera is a multi-platform web browser.
+ </p>
+ </background>
+ <description>
+ <p>
+ An error known as "a virtual function call on an invalid pointer" has
+ been discovered in the JavaScript engine (CVE-2007-4367). Furthermore,
+ iDefense Labs reported that an already-freed pointer may be still used
+ under unspecified circumstances in the BitTorrent support
+ (CVE-2007-3929). At last, minor other errors have been discovered,
+ relative to memory read protection (Opera Advisory 861) and URI
+ displays (CVE-2007-3142, CVE-2007-3819).
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could trigger the BitTorrent vulnerability by
+ enticing a user into starting a malicious BitTorrent download, and
+ execute arbitrary code through unspecified vectors. Additionally, a
+ specially crafted JavaScript may trigger the "virtual function"
+ vulnerability. The JavaScript engine can also access previously freed
+ but uncleaned memory. Finally, a user can be fooled with a too long
+ HTTP server name that does not fit the dialog box, or a URI containing
+ whitespaces.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time for all these
+ vulnerabilities.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Opera users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=www-client/opera-9.23"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3142">CVE-2007-3142</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3819">CVE-2007-3819</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3929">CVE-2007-3929</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4367">CVE-2007-4367</uri>
+ <uri link="https://www.opera.com/support/search/view/861/">Opera Advisory 861</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-07-29T20:48:46Z">
+ jaervosz
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-07-29T20:48:57Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-08-20T09:59:22Z">
+ falco
+ </metadata>
+</glsa>