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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200508-02">
<title>ProFTPD: Format string vulnerabilities</title>
Under specific circumstances, ProFTPD is vulnerable to format string
vulnerabilities, potentially resulting in the execution of arbitrary code.
<product type="ebuild">proftpd</product>
<announced>August 01, 2005</announced>
<revised>August 01, 2005: 01</revised>
<package name="net-ftp/proftpd" auto="yes" arch="*">
<unaffected range="ge">1.2.10-r7</unaffected>
<vulnerable range="lt">1.2.10-r7</vulnerable>
ProFTPD is a configurable GPL-licensed FTP server software.
<p> "infamous42md" reported that ProFTPD is vulnerable to format
string vulnerabilities when displaying a shutdown message containing
the name of the current directory, and when displaying response
messages to the client using information retrieved from a database
using mod_sql.
<impact type="normal">
A remote attacker could create a directory with a malicious name
that would trigger the format string issue if specific variables are
used in the shutdown message, potentially resulting in a Denial of
Service or the execution of arbitrary code with the rights of the user
running the ProFTPD server. An attacker with control over the database
contents could achieve the same result by introducing malicious
messages that would trigger the other format string issue when used in
server responses.
Do not use the "%C", "%R", or "%U" in shutdown messages, and do
not set the "SQLShowInfo" directive.
All ProFTPD users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-ftp/proftpd-1.2.10-r7&quot;</code>
<uri link="">CAN-2005-2390</uri>
<metadata tag="requester" timestamp="Wed, 27 Jul 2005 14:13:46 +0000">
<metadata tag="submitter" timestamp="Sat, 30 Jul 2005 00:11:05 +0000">
<metadata tag="bugReady" timestamp="Sun, 31 Jul 2005 14:18:50 +0000">