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

<glsa id="200804-09">
  <title>am-utils: Insecure temporary file creation</title>
  <synopsis>
    am-utils creates temporary files insecurely allowing local users to
    overwrite arbitrary files via a symlink attack.
  </synopsis>
  <product type="ebuild">am-utils</product>
  <announced>April 10, 2008</announced>
  <revised>April 10, 2008: 01</revised>
  <bug>210158</bug>
  <access>local</access>
  <affected>
    <package name="net-fs/am-utils" auto="yes" arch="*">
      <unaffected range="ge">6.1.5</unaffected>
      <vulnerable range="lt">6.1.5</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    am-utils is a collection of utilities for use with the Berkeley
    Automounter.
    </p>
  </background>
  <description>
    <p>
    Tavis Ormandy discovered that, when creating temporary files, the
    'expn' utility does not check whether the file already exists.
    </p>
  </description>
  <impact type="normal">
    <p>
    A local attacker could exploit the vulnerability via a symlink attack
    to overwrite arbitrary files.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All am-utils users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=net-fs/am-utils-6.1.5&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1078">CVE-2008-1078</uri>
  </references>
  <metadata tag="requester" timestamp="Tue, 08 Apr 2008 21:38:37 +0000">
    p-y
  </metadata>
  <metadata tag="submitter" timestamp="Thu, 10 Apr 2008 09:22:28 +0000">
    mfleming
  </metadata>
  <metadata tag="bugReady" timestamp="Thu, 10 Apr 2008 13:21:27 +0000">
    vorlon
  </metadata>
</glsa>