glsa-200512-10.xml


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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200512-10">
  <title>Opera: Command-line URL shell command injection</title>
  <synopsis>
    Lack of URL validation in Opera command-line wrapper could be abused to
    execute arbitrary commands.
  </synopsis>
  <product type="ebuild">opera</product>
  <announced>December 18, 2005</announced>
  <revised>December 18, 2005: 01</revised>
  <bug>113239</bug>
  <access>remote</access>
  <affected>
    <package name="www-client/opera" auto="yes" arch="*">
      <unaffected range="ge">8.51</unaffected>
      <vulnerable range="lt">8.51</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Opera is a multi-platform web browser.
    </p>
  </background>
  <description>
    <p>
    Peter Zelezny discovered that the shell script used to launch
    Opera parses shell commands that are enclosed within backticks in the
    URL provided via the command line.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could exploit this vulnerability by enticing a
    user to follow a specially crafted URL from a tool that uses Opera to
    open URLs, resulting in the execution of arbitrary commands on the
    targeted machine.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Opera users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=www-client/opera-8.51&quot;</code>
  </resolution>
  <references>
    <uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3750">CVE-2005-3750</uri>
    <uri link="http://www.opera.com/docs/changelogs/linux/851/">Opera 8.51 Changelog</uri>
  </references>
  <metadata tag="requester" timestamp="Thu, 15 Dec 2005 12:24:01 +0000">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="Thu, 15 Dec 2005 12:24:20 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Fri, 16 Dec 2005 02:18:07 +0000">
    adir
  </metadata>
</glsa>