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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200405-05">
<title>Utempter symlink vulnerability</title>
<synopsis>
Utempter contains a vulnerability that may allow local users to overwrite
arbitrary files via a symlink attack.
</synopsis>
<product type="ebuild">utempter</product>
<announced>May 13, 2004</announced>
<revised>May 13, 2004: 01</revised>
<bug>49536</bug>
<access>local </access>
<affected>
<package name="sys-apps/utempter" auto="yes" arch="*">
<unaffected range="ge">0.5.5.4</unaffected>
<vulnerable range="lt">0.5.5.4</vulnerable>
</package>
</affected>
<background>
<p>
Utempter is an application that allows non-privileged apps to write utmp
(login) info, which otherwise needs root access.
</p>
</background>
<description>
<p>
Utempter contains a vulnerability that may allow local users to overwrite
arbitrary files via a symlink attack.
</p>
</description>
<impact type="normal">
<p>
This vulnerability may allow arbitrary files to be overwritten with root
privileges.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time. All users are advised to upgrade
to the latest available version of utempter.
</p>
</workaround>
<resolution>
<p>
All users of utempter should upgrade to the latest stable version:
</p>
<code>
# emerge sync
# emerge -pv ">=sys-apps/utempter-0.5.5.4"
# emerge ">=sys-apps/utempter-0.5.5.4"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0233">CAN-2004-0233</uri>
</references>
<metadata tag="submitter">
klieber
</metadata>
</glsa>