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gentoo-overlay/metadata/glsa/glsa-200405-09.xml

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200405-09">
<title>ProFTPD Access Control List bypass vulnerability</title>
<synopsis>
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.
</synopsis>
<product type="ebuild">proftpd</product>
<announced>May 19, 2004</announced>
<revised>May 19, 2004: 01</revised>
<bug>49496</bug>
<access>remote </access>
<affected>
<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>
</package>
</affected>
<background>
<p>
ProFTPD is an FTP daemon.
</p>
</background>
<description>
<p>
ProFTPD 1.2.9 introduced a vulnerability that allows CIDR-based ACLs (such
as 10.0.0.1/24) to be bypassed. The CIDR ACLs are disregarded, with the net
effect being similar to an "AllowAll" directive.
</p>
</description>
<impact type="high">
<p>
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.
</p>
</impact>
<workaround>
<p>
Users may work around the problem by avoiding use of CIDR-based ACLs.
</p>
</workaround>
<resolution>
<p>
ProFTPD users are encouraged to upgrade to the latest version of the
package:
</p>
<code>
# emerge sync
# emerge -pv ">=net-ftp/proftpd-1.2.9-r2"
# emerge ">=net-ftp/proftpd-1.2.9-r2"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0432">CAN-2004-0432</uri>
</references>
<metadata tag="submitter">
klieber
</metadata>
</glsa>