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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200602-14">
  <title>noweb: Insecure temporary file creation</title>
  <synopsis>
    noweb is vulnerable to symlink attacks, potentially allowing a local user
    to overwrite arbitrary files.
  </synopsis>
  <product type="ebuild">noweb</product>
  <announced>2006-02-26</announced>
  <revised count="01">2006-02-26</revised>
  <bug>122705</bug>
  <access>local</access>
  <affected>
    <package name="app-text/noweb" auto="yes" arch="*">
      <unaffected range="ge">2.9-r5</unaffected>
      <vulnerable range="lt">2.9-r5</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    noweb is a simple, extensible, and language independent literate
    programming tool.
    </p>
  </background>
  <description>
    <p>
    Javier Fernandez-Sanguino has discovered that the lib/toascii.nw
    and shell/roff.mm scripts insecurely create temporary files with
    predictable filenames.
    </p>
  </description>
  <impact type="normal">
    <p>
    A local attacker could create symbolic links in the temporary file
    directory, pointing to a valid file somewhere on the filesystem. When
    an affected script is called, this would result in the file being
    overwritten with the rights of the user running the script.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All noweb users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-text/noweb-2.9-r5"</code>
  </resolution>
  <references>
    <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3342">CVE-2005-3342</uri>
  </references>
  <metadata tag="requester" timestamp="2006-02-23T20:08:48Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2006-02-23T20:09:04Z">
    DerCorny
  </metadata>
  <metadata tag="submitter" timestamp="2006-02-24T14:44:04Z">
    formula7
  </metadata>
</glsa>