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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200502-33">
<title>MediaWiki: Multiple vulnerabilities</title>
<synopsis>
MediaWiki is vulnerable to cross-site scripting, data manipulation and
security bypass attacks.
</synopsis>
<product type="ebuild">mediawiki</product>
<announced>February 28, 2005</announced>
<revised>February 28, 2005: 01</revised>
<bug>80729</bug>
<bug>82954</bug>
<access>remote</access>
<affected>
<package name="www-apps/mediawiki" auto="yes" arch="*">
<unaffected range="ge">1.3.11</unaffected>
<vulnerable range="lt">1.3.11</vulnerable>
</package>
</affected>
<background>
<p>
MediaWiki is a collaborative editing software, used by big
projects like Wikipedia.
</p>
</background>
<description>
<p>
A security audit of the MediaWiki project discovered that
MediaWiki is vulnerable to several cross-site scripting and cross-site
request forgery attacks, and that the image deletion code does not
sufficiently sanitize input parameters.
</p>
</description>
<impact type="low">
<p>
By tricking a user to load a carefully crafted URL, a remote
attacker could hijack sessions and authentication cookies to inject
malicious script code that will be executed in a user's browser session
in context of the vulnerable site, or use JavaScript submitted forms to
perform restricted actions. Using the image deletion flaw, it is also
possible for authenticated administrators to delete arbitrary files via
directory traversal.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All MediaWiki users should upgrade to the latest available
version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=www-apps/mediawiki-1.3.11&quot;</code>
</resolution>
<references>
<uri link="http://secunia.com/advisories/14125/">Secunia Advisory SA14125</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0534">CAN-2005-0534</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0535">CAN-2005-0535</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0536">CAN-2005-0536</uri>
</references>
<metadata tag="requester" timestamp="Thu, 24 Feb 2005 11:32:05 +0000">
vorlon078
</metadata>
<metadata tag="bugReady" timestamp="Fri, 25 Feb 2005 09:25:41 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Sun, 27 Feb 2005 16:48:17 +0000">
DerCorny
</metadata>
</glsa>