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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200909-17">
<title>ZNC: Directory traversal</title>
<synopsis>
A directory traversal was found in ZNC, allowing for overwriting of
arbitrary files.
</synopsis>
<product type="ebuild">znc</product>
<announced>September 13, 2009</announced>
<revised>September 13, 2009: 01</revised>
<bug>278684</bug>
<access>remote</access>
<affected>
<package name="net-irc/znc" auto="yes" arch="*">
<unaffected range="ge">0.074</unaffected>
<vulnerable range="lt">0.074</vulnerable>
</package>
</affected>
<background>
<p>
ZNC is an advanced IRC bouncer.
</p>
</background>
<description>
<p>
The vendor reported a directory traversal vulnerability when processing
DCC SEND requests.
</p>
</description>
<impact type="normal">
<p>
A remote, authenticated user could send a specially crafted DCC SEND
request to overwrite arbitrary files with the privileges of the user
running ZNC, and possibly cause the execution of arbitrary code e.g. by
uploading a malicious ZNC module.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All ZNC users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/znc-0.074"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2658">CVE-2009-2658</uri>
</references>
<metadata tag="requester" timestamp="Fri, 14 Aug 2009 18:19:47 +0000">
keytoaster
</metadata>
<metadata tag="submitter" timestamp="Fri, 14 Aug 2009 18:28:31 +0000">
keytoaster
</metadata>
<metadata tag="bugReady" timestamp="Mon, 31 Aug 2009 08:50:23 +0000">
keytoaster
</metadata>
</glsa>
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