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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200405-09">
<title>ProFTPD Access Control List bypass vulnerability</title>
Version 1.2.9 of ProFTPD introduced a vulnerability that causes CIDR-based
Access Control Lists (ACLs) to be treated as &quot;AllowAll&quot;, thereby
allowing remote users full access to files available to the FTP daemon.
<product type="ebuild">proftpd</product>
<announced>May 19, 2004</announced>
<revised>May 19, 2004: 01</revised>
<access>remote </access>
<package name="net-ftp/proftpd" auto="yes" arch="*">
<unaffected range="ge">1.2.9-r2</unaffected>
<vulnerable range="eq">1.2.9-r1</vulnerable>
<vulnerable range="eq">1.2.9</vulnerable>
ProFTPD is an FTP daemon.
ProFTPD 1.2.9 introduced a vulnerability that allows CIDR-based ACLs (such
as to be bypassed. The CIDR ACLs are disregarded, with the net
effect being similar to an "AllowAll" directive.
<impact type="high">
This vulnerability may allow unauthorized files, including critical system
files to be downloaded and/or modified, thereby allowing a potential remote
compromise of the server.
Users may work around the problem by avoiding use of CIDR-based ACLs.
ProFTPD users are encouraged to upgrade to the latest version of the
# emerge sync
# emerge -pv ">=net-ftp/proftpd-1.2.9-r2"
# emerge ">=net-ftp/proftpd-1.2.9-r2"</code>
<uri link="">CAN-2004-0432</uri>
<metadata tag="submitter">