metadata/glsa/glsa-200801-11.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200801-11">
  <title>CherryPy: Directory traversal vulnerability</title>
  <synopsis>
    CherryPy is vulnerable to a directory traversal that could allow attackers
    to read and write arbitrary files.
  </synopsis>
  <product type="ebuild">cherrypy</product>
  <announced>2008-01-27</announced>
  <revised count="01">2008-01-27</revised>
  <bug>204829</bug>
  <access>remote</access>
  <affected>
    <package name="dev-python/cherrypy" auto="yes" arch="*">
      <unaffected range="rge">2.2.1-r2</unaffected>
      <unaffected range="ge">3.0.2-r1</unaffected>
      <vulnerable range="lt">3.0.2-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    CherryPy is a Python-based, object-oriented web development framework.
    </p>
  </background>
  <description>
    <p>
    CherryPy does not sanitize the session id, provided as a cookie value,
    in the FileSession._get_file_path() function before using it as part of
    the file name.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could exploit this vulnerability to read and possibly
    write arbitrary files on the web server, or to hijack valid sessions,
    by providing a specially crafted session id. This only affects
    applications using file-based sessions.
    </p>
  </impact>
  <workaround>
    <p>
    Disable the "FileSession" functionality by using "PostgresqlSession" or
    "RamSession" session management in your CherryPy application.
    </p>
  </workaround>
  <resolution>
    <p>
    All CherryPy 2.2 users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-python/cherrypy-2.2.1-r2"</code>
    <p>
    All CherryPy 3.0 users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-python/cherrypy-3.0.2-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0252">CVE-2008-0252</uri>
  </references>
  <metadata tag="requester" timestamp="2008-01-10T20:11:50Z">
    rbu
  </metadata>
  <metadata tag="submitter" timestamp="2008-01-20T02:16:18Z">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="2008-01-26T19:16:48Z">
    p-y
  </metadata>
</glsa>