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<?xml version="1.0" encoding="utf-8"?>
<!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>