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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200411-05">
<title>libxml2: Remotely exploitable buffer overflow</title>
<synopsis>
libxml2 contains multiple buffer overflows which could lead to the
execution of arbitrary code.
</synopsis>
<product type="ebuild">libxml2</product>
<announced>November 02, 2004</announced>
<revised>November 02, 2004: 01</revised>
<bug>69154</bug>
<access>remote</access>
<affected>
<package name="dev-libs/libxml2" auto="yes" arch="*">
<unaffected range="ge">2.6.15</unaffected>
<vulnerable range="lt">2.6.15</vulnerable>
</package>
</affected>
<background>
<p>
libxml2 is an XML parsing library written in C.
</p>
</background>
<description>
<p>
Multiple buffer overflows have been detected in the nanoftp and nanohttp
modules. These modules are responsible for parsing URLs with ftp
information, and resolving names via DNS.
</p>
</description>
<impact type="high">
<p>
An attacker could exploit an application that uses libxml2 by forcing it to
parse a specially-crafted XML file, potentially causing remote execution of
arbitrary code.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All libxml2 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.6.15"</code>
</resolution>
<references>
<uri link="http://www.securityfocus.com/archive/1/379383">BugTraq Advisory</uri>
<uri link="http://www.xmlsoft.org/ChangeLog.html">libxml2 ChangeLog</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0989">CAN-2004-0989</uri>
</references>
<metadata tag="requester" timestamp="Sat, 30 Oct 2004 16:39:51 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Sun, 31 Oct 2004 21:35:49 +0000">
lewk
</metadata>
<metadata tag="bugReady" timestamp="Mon, 1 Nov 2004 23:01:51 +0000">
lewk
</metadata>
</glsa>