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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200409-19">
<title>Heimdal: ftpd root escalation</title>
<synopsis>
Several bugs exist in the Heimdal ftp daemon which could allow a remote
attacker to gain root privileges.
</synopsis>
<product type="ebuild">heimdal</product>
<announced>September 16, 2004</announced>
<revised>September 16, 2004: 01</revised>
<bug>61412</bug>
<access>remote</access>
<affected>
<package name="app-crypt/heimdal" auto="yes" arch="*">
<unaffected range="ge">0.6.3</unaffected>
<vulnerable range="lt">0.6.3</vulnerable>
</package>
</affected>
<background>
<p>
Heimdal is an implementation of Kerberos 5.
</p>
</background>
<description>
<p>
Przemyslaw Frasunek discovered several flaws in lukemftpd, which also apply
to Heimdal ftpd's out-of-band signal handling code.
</p>
<p>
Additionally, a potential vulnerability that could lead to Denial of
Service by the Key Distribution Center (KDC) has been fixed in this
version.
</p>
</description>
<impact type="high">
<p>
A remote attacker could be able to run arbitrary code with escalated
privileges, which can result in a total compromise of the server.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Heimdal users should upgrade to the latest version:
</p>
<code>
# emerge sync
# emerge -pv ">=app-crypt/heimdal-0.6.3"
# emerge ">=app-crypt/heimdal-0.6.3"</code>
</resolution>
<references>
<uri link="http://www.pdc.kth.se/heimdal/advisory/2004-09-13/">Heimdal advisory</uri>
<uri link="http://www.frasunek.com/lukemftpd.txt">Advisory by Przemyslaw Frasunek</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0794">CAN-2004-0794</uri>
</references>
<metadata tag="submitter" timestamp="Mon, 13 Sep 2004 14:06:46 +0000">
vorlon078
</metadata>
<metadata tag="bugReady" timestamp="Thu, 16 Sep 2004 04:33:06 +0000">
jaervosz
</metadata>
</glsa>