glsa-200710-15.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200710-15">
  <title>KDM: Local privilege escalation</title>
  <synopsis>
    KDM allows logins without password under certain circumstances allowing a
    local user to gain elevated privileges.
  </synopsis>
  <product type="ebuild">KDM</product>
  <announced>2007-10-14</announced>
  <revised>2007-10-14: 01</revised>
  <bug>192373</bug>
  <access>local</access>
  <affected>
    <package name="kde-base/kdm" auto="yes" arch="*">
      <unaffected range="ge">3.5.7-r2</unaffected>
      <vulnerable range="lt">3.5.7-r2</vulnerable>
    </package>
    <package name="kde-base/kdebase" auto="yes" arch="*">
      <unaffected range="ge">3.5.7-r4</unaffected>
      <vulnerable range="lt">3.5.7-r4</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    KDM is the Display Manager for the graphical desktop environment KDE.
    It is part of the kdebase package.
    </p>
  </background>
  <description>
    <p>
    Kees Huijgen discovered an error when checking the credentials which
    can lead to a login without specifying a password. This only occurs
    when auto login is configured for at least one user and a password is
    required to shut down the machine.
    </p>
  </description>
  <impact type="high">
    <p>
    A local attacker could gain root privileges and execute arbitrary
    commands by logging in as root without specifying root's password.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All KDM users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=kde-base/kdm-3.5.7-r2"</code>
    <p>
    All kdebase users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=kde-base/kdebase-3.5.7-r4"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4569">CVE-2007-4569</uri>
  </references>
  <metadata tag="requester" timestamp="2007-10-08T00:34:30Z">
    rbu
  </metadata>
  <metadata tag="submitter" timestamp="2007-10-08T00:49:35Z">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="2007-10-08T02:58:05Z">
    rbu
  </metadata>
</glsa>