glsa-200612-10.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200612-10">
  <title>Tar: Directory traversal vulnerability</title>
  <synopsis>
    Tar is vulnerable to directory traversal possibly allowing for the
    overwriting of arbitrary files.
  </synopsis>
  <product type="ebuild">tar</product>
  <announced>2006-12-11</announced>
  <revised count="01">2006-12-11</revised>
  <bug>155901</bug>
  <access>remote</access>
  <affected>
    <package name="app-arch/tar" auto="yes" arch="*">
      <unaffected range="ge">1.16-r2</unaffected>
      <vulnerable range="lt">1.16-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    The Tar program provides the ability to create and manipulate tar
    archives.
    </p>
  </background>
  <description>
    <p>
    Tar does not properly extract archive elements using the GNUTYPE_NAMES
    record name, allowing files to be created at arbitrary locations using
    symlinks. Once a symlink is extracted, files after the symlink in the
    archive will be extracted to the destination of the symlink.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could entice a user to extract a specially crafted tar
    archive, possibly allowing for the overwriting of arbitrary files on
    the system extracting the archive.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Tar users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-arch/tar-1.16-r2"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6097">CVE-2006-6097</uri>
  </references>
  <metadata tag="requester" timestamp="2006-12-07T10:14:08Z">
    vorlon
  </metadata>
  <metadata tag="bugReady" timestamp="2006-12-10T20:35:35Z">
    vorlon
  </metadata>
  <metadata tag="submitter" timestamp="2006-12-11T17:59:09Z">
    shellsage
  </metadata>
</glsa>