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gentoo-overlay/metadata/glsa/glsa-200503-36.xml

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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200503-36">
<title>netkit-telnetd: Buffer overflow</title>
<synopsis>
The netkit-telnetd telnet client is vulnerable to a buffer overflow, which
could allow a malicious telnet server operator to execute arbitrary code.
</synopsis>
<product type="ebuild">netkit-telnetd</product>
<announced>March 31, 2005</announced>
<revised>March 31, 2005: 01</revised>
<bug>87211</bug>
<access>remote</access>
<affected>
<package name="net-misc/netkit-telnetd" auto="yes" arch="*">
<unaffected range="ge">0.17-r6</unaffected>
<vulnerable range="lt">0.17-r6</vulnerable>
</package>
</affected>
<background>
<p>
netkit-telnetd provides standard Linux telnet client and server.
</p>
</background>
<description>
<p>
A buffer overflow has been identified in the slc_add_reply()
function of netkit-telnetd client, where a large number of SLC commands
can overflow a fixed size buffer.
</p>
</description>
<impact type="normal">
<p>
Successful explotation would require a vulnerable user to connect
to an attacker-controlled host using telnet, potentially executing
arbitrary code with the permissions of the telnet user.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All netkit-telnetd users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-misc/netkit-telnetd-0.17-r6&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0469">CAN-2005-0469</uri>
<uri link="http://www.idefense.com/application/poi/display?id=220&amp;type=vulnerabilities">iDEFENSE Advisory 03-28-05</uri>
</references>
<metadata tag="requester" timestamp="Wed, 30 Mar 2005 08:13:45 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Wed, 30 Mar 2005 13:44:36 +0000">
formula7
</metadata>
<metadata tag="bugReady" timestamp="Wed, 30 Mar 2005 19:43:01 +0000">
koon
</metadata>
</glsa>