metadata/glsa/glsa-200606-01.xml


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

<glsa id="200606-01">
  <title>Opera: Buffer overflow</title>
  <synopsis>
    Opera contains an integer signedness error resulting in a buffer overflow
    which may allow a remote attacker to execute arbitrary code.
  </synopsis>
  <product type="ebuild">opera</product>
  <announced>June 07, 2006</announced>
  <revised>June 07, 2006: 01</revised>
  <bug>129800</bug>
  <access>remote</access>
  <affected>
    <package name="www-client/opera" auto="yes" arch="*">
      <unaffected range="ge">8.54</unaffected>
      <vulnerable range="lt">8.54</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Opera is a multi-platform web browser.
    </p>
  </background>
  <description>
    <p>
    SEC Consult has discovered a buffer overflow in the code
    processing style sheet attributes. It is caused by an integer
    signedness error in a length check followed by a call to a string
    function. It seems to be hard to exploit this buffer overflow to
    execute arbitrary code because of the very large amount memory that has
    to be copied.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker can entice a user to visit a web page containing
    a specially crafted style sheet attribute that will crash the user's
    browser and maybe lead to the execution of arbitrary code.
    </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-8.54&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1834">CVE-2006-1834</uri>
  </references>
  <metadata tag="submitter" timestamp="Tue, 30 May 2006 13:12:35 +0000">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="Wed, 31 May 2006 19:39:23 +0000">
    DerCorny
  </metadata>
</glsa>