glsa-200710-21.xml


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

<glsa id="200710-21">
  <title>TikiWiki: Arbitrary command execution</title>
  <synopsis>
    Tikiwiki contains a command injection vulnerability which may allow remote
    execution of arbitrary code.
  </synopsis>
  <product type="ebuild">tikiwiki</product>
  <announced>October 20, 2007</announced>
  <revised>October 20, 2007: 01</revised>
  <bug>195503</bug>
  <access>remote</access>
  <affected>
    <package name="www-apps/tikiwiki" auto="yes" arch="*">
      <unaffected range="ge">1.9.8.1</unaffected>
      <vulnerable range="lt">1.9.8.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    TikiWiki is an open source content management system written in PHP.
    </p>
  </background>
  <description>
    <p>
    ShAnKaR reported that input passed to the "f" array parameter in
    tiki-graph_formula.php is not properly verified before being used to
    execute PHP functions.
    </p>
  </description>
  <impact type="high">
    <p>
    An attacker could execute arbitrary code with the rights of the user
    running the web server by passing a specially crafted parameter string
    to the tiki-graph_formula.php file.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All TikiWiki users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=www-apps/tikiwiki-1.9.8.1&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5423">CVE-2007-5423</uri>
  </references>
  <metadata tag="requester" timestamp="Sat, 13 Oct 2007 13:08:51 +0000">
    p-y
  </metadata>
  <metadata tag="submitter" timestamp="Wed, 17 Oct 2007 22:20:02 +0000">
    rbu
  </metadata>
  <metadata tag="bugReady" timestamp="Thu, 18 Oct 2007 18:49:04 +0000">
    rbu
  </metadata>
</glsa>