glsa-200502-20.xml


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

<glsa id="200502-20">
  <title>Emacs, XEmacs: Format string vulnerabilities in movemail</title>
  <synopsis>
    The movemail utility shipped with Emacs and XEmacs contains several format
    string vulnerabilities, potentially leading to the execution of arbitrary
    code.
  </synopsis>
  <product type="ebuild">Emacs</product>
  <announced>February 15, 2005</announced>
  <revised>July 23, 2006: 02</revised>
  <bug>79686</bug>
  <access>remote</access>
  <affected>
    <package name="app-editors/emacs" auto="yes" arch="*">
      <unaffected range="ge">21.4</unaffected>
      <unaffected range="lt">19</unaffected>
      <vulnerable range="lt">21.4</vulnerable>
    </package>
    <package name="app-editors/xemacs" auto="yes" arch="*">
      <unaffected range="ge">21.4.15-r3</unaffected>
      <vulnerable range="lt">21.4.15-r3</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    GNU Emacs and XEmacs are highly extensible and customizable text
    editors. movemail is an Emacs utility that can fetch mail on remote
    mail servers.
    </p>
  </background>
  <description>
    <p>
    Max Vozeler discovered that the movemail utility contains several
    format string errors.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could set up a malicious POP server and entice a user to
    connect to it using movemail, resulting in the execution of arbitrary
    code with the rights of the victim user.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Emacs users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=app-editors/emacs-21.4&quot;</code>
    <p>
    All XEmacs users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=app-editors/xemacs-21.4.15-r3&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0100">CAN-2005-0100</uri>
  </references>
  <metadata tag="requester" timestamp="Fri, 11 Feb 2005 15:36:27 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Tue, 15 Feb 2005 16:06:08 +0000">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="Tue, 15 Feb 2005 16:06:17 +0000">
    koon
  </metadata>
</glsa>