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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200503-27">
<title>Xzabite dyndnsupdate: Multiple vulnerabilities</title>
<synopsis>
Xzabite's dyndnsupdate software suffers from multiple vulnerabilities,
potentially resulting in the remote execution of arbitrary code.
</synopsis>
<product type="ebuild">dyndnsupdate</product>
<announced>March 21, 2005</announced>
<revised>May 22, 2006: 02</revised>
<bug>84659</bug>
<access>remote</access>
<affected>
<package name="net-misc/dyndnsupdate" auto="yes" arch="*">
<vulnerable range="le">0.6.15</vulnerable>
</package>
</affected>
<background>
<p>
dyndnsupdate is a dyndns.org data updater written by Fredrik "xzabite"
Haglund.
</p>
</background>
<description>
<p>
Toby Dickenson discovered that dyndnsupdate suffers from multiple
overflows.
</p>
</description>
<impact type="normal">
<p>
A remote attacker, posing as a dyndns.org server, could execute
arbitrary code with the rights of the user running dyndnsupdate.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
Currently, there is no released version of dyndnsupdate that contains a
fix for these issues. The original xzabite.org distribution site is
dead, the code contains several other problems and more secure
alternatives exist, such as the net-dns/ddclient package. Therefore,
the dyndnsupdate package has been hard-masked prior to complete removal
from Portage, and current users are advised to unmerge the package:
</p>
<code>
# emerge --unmerge net-misc/dyndnsupdate</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0830">CVE-2005-0830</uri>
</references>
<metadata tag="submitter" timestamp="Mon, 21 Mar 2005 09:32:52 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Mon, 21 Mar 2005 14:30:08 +0000">
koon
</metadata>
</glsa>
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