<?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>2004-04-19</announced> <revised count="02">2006-05-22</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 ">=net-irc/xchat-2.0.8-r1" # emerge ">=net-irc/xchat-2.0.8-r1"</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 "=net-irc/xchat-1.8.11-r1" # emerge "=net-irc/xchat-1.8.11-r1"</code> </resolution> <references> <uri link="https://mail.nl.linux.org/xchat-announce/2004-04/msg00000.html">XChat 2.0.x SOCKS5 Vulnerability</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0409">CVE-2004-0409</uri> </references> <metadata tag="submitter"> klieber </metadata> </glsa>