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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200404-15">
<title>XChat 2.0.x SOCKS5 Vulnerability</title>
<synopsis>
XChat is vulnerable to a stack overflow that may allow a remote attacker to
run arbitrary code.
</synopsis>
<product type="ebuild">xchat</product>
<announced>April 19, 2004</announced>
<revised>May 22, 2006: 02</revised>
<bug>46856</bug>
<access>remote</access>
<affected>
<package name="net-irc/xchat" auto="yes" arch="*">
<unaffected range="ge">2.0.8-r1</unaffected>
<vulnerable range="lt">2.0.8-r1</vulnerable>
</package>
</affected>
<background>
<p>
XChat is a multiplatform IRC client.
</p>
</background>
<description>
<p>
The SOCKS 5 proxy code in XChat is vulnerable to a remote exploit.
Users would have to be using XChat through a SOCKS 5 server, enable
SOCKS 5 traversal which is disabled by default and also connect to an
attacker's custom proxy server.
</p>
</description>
<impact type="low">
<p>
This vulnerability may allow an attacker to run arbitrary code within
the context of the user ID of the XChat client.
</p>
</impact>
<workaround>
<p>
A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.
</p>
</workaround>
<resolution>
<p>
All XChat users should upgrade to the latest stable version:
</p>
<code>
# emerge sync
# emerge -pv &quot;&gt;=net-irc/xchat-2.0.8-r1&quot;
# emerge &quot;&gt;=net-irc/xchat-2.0.8-r1&quot;</code>
<p>
Note that users of the gtk1 version of xchat (1.8.*) should upgrade to
xchat-1.8.11-r1:
</p>
<code>
# emerge sync
# emerge -pv &quot;=net-irc/xchat-1.8.11-r1&quot;
# emerge &quot;=net-irc/xchat-1.8.11-r1&quot;</code>
</resolution>
<references>
<uri link="http://mail.nl.linux.org/xchat-announce/2004-04/msg00000.html">XChat 2.0.x SOCKS5 Vulnerability</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0409">CVE-2004-0409</uri>
</references>
<metadata tag="submitter">
klieber
</metadata>
</glsa>