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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200411-20">
<title>ez-ipupdate: Format string vulnerability</title>
<synopsis>
ez-ipupdate contains a format string vulnerability that could lead to
execution of arbitrary code.
</synopsis>
<product type="ebuild">ez-ipupdate</product>
<announced>November 11, 2004</announced>
<revised>November 11, 2004: 01</revised>
<bug>69658</bug>
<access>remote</access>
<affected>
<package name="net-dns/ez-ipupdate" auto="yes" arch="*">
<unaffected range="ge">3.0.11_beta8-r1</unaffected>
<vulnerable range="le">3.0.11_beta8</vulnerable>
</package>
</affected>
<background>
<p>
ez-ipupdate is a utility for updating host name information for a large number of dynamic DNS services.
</p>
</background>
<description>
<p>
Ulf Harnhammar from the Debian Security Audit Project discovered a format string vulnerability in ez-ipupdate.
</p>
</description>
<impact type="high">
<p>
An attacker could exploit this to execute arbitrary code with the permissions of the user running ez-ipupdate, which could be the root user.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All ez-ipupdate users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/ez-ipupdate-3.0.11_beta8-r1"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0980">CAN-2004-0980</uri>
<uri link="http://lists.netsys.com/pipermail/full-disclosure/2004-November/028590.html">Full Disclosure Announcement</uri>
</references>
<metadata tag="submitter" timestamp="Tue, 9 Nov 2004 20:12:06 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Thu, 11 Nov 2004 14:43:17 +0000">
jaervosz
</metadata>
</glsa>