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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200909-17">
<title>ZNC: Directory traversal</title>
A directory traversal was found in ZNC, allowing for overwriting of
arbitrary files.
<product type="ebuild">znc</product>
<announced>September 13, 2009</announced>
<revised>September 13, 2009: 01</revised>
<package name="net-irc/znc" auto="yes" arch="*">
<unaffected range="ge">0.074</unaffected>
<vulnerable range="lt">0.074</vulnerable>
ZNC is an advanced IRC bouncer.
The vendor reported a directory traversal vulnerability when processing
DCC SEND requests.
<impact type="normal">
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.
There is no known workaround at this time.
All ZNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-irc/znc-0.074&quot;</code>
<uri link="">CVE-2009-2658</uri>
<metadata tag="requester" timestamp="Fri, 14 Aug 2009 18:19:47 +0000">
<metadata tag="submitter" timestamp="Fri, 14 Aug 2009 18:28:31 +0000">
<metadata tag="bugReady" timestamp="Mon, 31 Aug 2009 08:50:23 +0000">