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    -------- Original Message --------
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          <th valign="BASELINE" align="RIGHT" nowrap="nowrap">Subject: </th>
          <td>[seguridad] Alerta de Seguridad ArCERT-2011010300 -
            WordPress: Inserción de código script o HTML</td>
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          <th valign="BASELINE" align="RIGHT" nowrap="nowrap">Date: </th>
          <td>Mon, 03 Jan 2011 17:25:21 -0300</td>
        </tr>
        <tr>
          <th valign="BASELINE" align="RIGHT" nowrap="nowrap">From: </th>
          <td>ArCERT - Alertas <a class="moz-txt-link-rfc2396E" href="mailto:alertas@arcert.gob.ar"><alertas@arcert.gob.ar></a></td>
        </tr>
        <tr>
          <th valign="BASELINE" align="RIGHT" nowrap="nowrap">Organization:
          </th>
          <td>ArCERT</td>
        </tr>
        <tr>
          <th valign="BASELINE" align="RIGHT" nowrap="nowrap">To: </th>
          <td>Lista de Seguridad <a class="moz-txt-link-rfc2396E" href="mailto:seguridad@arcert.gov.ar"><seguridad@arcert.gov.ar></a></td>
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    <title>Oficina Nacional de Tecnologías de Información. Alerta de
      seguridad - ArCERT</title>
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        target="_blank" alt="Oficina Nacional de Tecnologías de
        Información. Alerta de Seguridad - ArCERT" title="Oficina
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        ArCERT">
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        href="http://www.arcert.gov.ar" target="_blank" alt="Arcert">
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      <area shape="rect" coords="328,10,594,71"
        href="http://www.jgm.gov.ar" target="_blank" alt="Jefatura de
        Gabinete de Ministros. Presidencia de la Nación">
      <area shape="rect" coords="17,8,245,73"
        href="http://www.sgp.gov.ar" target="_blank" alt="Secretaría de
        la Gestión Pública. Subsecretaría de Tecnologías de Gestión">
    </map>
    <table width="600" align="center" border="0" cellpadding="0"
      cellspacing="0">
      <tbody>
        <tr>
          <td width="600" height="67"><img alt="Oficina Nacional de
              Tecnologías de Información Alerta de Seguridad - ArCERT"
              src="cid:part1.08000100.00020804@gont.com.ar" width="600"
              height="97"><br>
          </td>
        </tr>
        <tr>
          <td>
            <table width="100%" border="0" cellpadding="0"
              cellspacing="0">
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                    <table width="100%" border="0" cellpadding="10"
                      cellspacing="0">
                      <tbody>
                        <tr>
                          <td><b><span class="Titulo">Alerta ArCERT -
                                2011010300:</span></b><br>
                            <br>
                            <table class="Texto" width="98%" border="0"
                              cellpadding="0">
                              <tbody>
                                <tr>
                                  <td><b>WordPress: Inserción de código
                                      script o
                                      HTML</b><br>
                                  </td>
                                </tr>
                                <tr>
                                  <td>Se ha reportado una vulnerabilidad
                                    en
                                    WordPress que permitiría la
                                    inserción de código script o HTML.<br>
                                  </td>
                                </tr>
                                <tr>
                                  <td><br>
                                  </td>
                                </tr>
                                <tr>
                                  <td><b>Impacto</b></td>
                                </tr>
                                <tr>
                                  <td>El impacto de esta vulnerabilidad
                                    se
                                    ha clasificado como <b>CRÍTICO</b>.
                                    <br>
                                  </td>
                                </tr>
                                <tr>
                                  <td><br>
                                  </td>
                                </tr>
                                <tr>
                                  <td><b>Versiones Afectadas</b></td>
                                </tr>
                                <tr>
                                  <td> Se ve afectado por esta
                                    vulnerabilidad el
                                    siguiente producto:<br>
                                    <ul>
                                      <li> WordPress, versiones
                                        anteriores a 3.0.4 </li>
                                    </ul>
                                  </td>
                                </tr>
                                <tr>
                                  <td><b>Detalle</b></td>
                                </tr>
                                <tr>
                                  <td> Ciertas entradas que contienen
                                    palabras
                                    reservadas (Ej. el atributo "href"
                                    del tag "<a>" de HTML) no son
                                    validadas apropiadamente en la
                                    librería KSES. Esta vulnerabilidad
                                    puede
                                    ser aprovechada para insertar código
                                    HTML o código script que podría
                                    ejecutarse en la sesión de
                                    navegación en el contexto de un
                                    sitio
                                    afectado.<br>
                                  </td>
                                </tr>
                                <tr>
                                  <td valign="top"><br>
                                  </td>
                                </tr>
                                <tr>
                                  <td><b>Recomendaciones</b></td>
                                </tr>
                                <tr>
                                  <td>Se recomienda actualizar a:<br>
                                    <ul>
                                      <li>WordPress 3.0.4</li>
                                    </ul>
                                    Adicionalmente, se recomienda
                                    realizar un mantenimiento continuo
                                    de
                                    todos los complementos utilizados.<br>
                                  </td>
                                </tr>
                                <tr>
                                  <td valign="top"><br>
                                  </td>
                                </tr>
                                <tr>
                                  <td valign="top"><b>Referencias</b></td>
                                </tr>
                                <tr>
                                  <td valign="top"> Más información
                                    sobre esta
                                    Alerta:<br>
                                    <br>
                                    WordPress:<br>
                                    <a moz-do-not-send="true"
                                      href="http://wordpress.org/news/2010/12/3-0-4-update/">http://wordpress.org/news/2010/12/3-0-4-update/</a><br>
                                    <br>
                                    Secunia:<br>
                                    <a moz-do-not-send="true"
                                      href="http://secunia.com/advisories/42755/">http://secunia.com/advisories/42755/</a><br>
                                    <br>
                                  </td>
                                </tr>
                              </tbody>
                            </table>
                            <span class="linkunsuscribe">Si Ud. no desea
                              recibir
                              más información de esta lista por favor
                              envíe un mensaje a: <a
                                moz-do-not-send="true"
                                href="mailto:seguridad-unsubscribe@arcert.gob.ar"
                                class="linkunsuscribe">seguridad-unsubscribe@arcert.gov.ar</a></span>
                            <br>
                          </td>
                        </tr>
                      </tbody>
                    </table>
                  </td>
                </tr>
              </tbody>
            </table>
          </td>
        </tr>
        <tr>
          <td>
            <table width="100%" border="0" cellpadding="0"
              cellspacing="0">
              <tbody>
                <tr>
                  <td><img alt="Secretaría de la Gestión Pública.
                      Jefatura de Gabinete de Ministros"
                      src="cid:part2.05070405.05020205@gont.com.ar"
                      width="600" height="82"><br>
                  </td>
                </tr>
              </tbody>
            </table>
          </td>
        </tr>
        <tr>
          <td class="Datos">Secretaría de la Gestión Pública - Av. Roque
            Sáenz Peña 511 (C1035AAA)<br>
            Ciudad Autónoma de Buenos Aires - República Argentina</td>
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