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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200611-26">
+ <title>ProFTPD: Remote execution of arbitrary code</title>
+ <synopsis>
+ ProFTPD is affected by mutiple vulnerabilities allowing for the remote
+ execution of arbitrary code.
+ </synopsis>
+ <product type="ebuild">proftpd</product>
+ <announced>2006-11-30</announced>
+ <revised count="01">2006-11-30</revised>
+ <bug>154650</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-ftp/proftpd" auto="yes" arch="*">
+ <unaffected range="ge">1.3.0a</unaffected>
+ <vulnerable range="lt">1.3.0a</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ ProFTPD is a highly-configurable FTP server.
+ </p>
+ </background>
+ <description>
+ <p>
+ Evgeny Legerov discovered a stack-based buffer overflow in the
+ s_replace() function in support.c, as well as a buffer overflow in in
+ the mod_tls module. Additionally, an off-by-two error related to the
+ CommandBufferSize configuration directive was reported.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ An authenticated attacker could exploit the s_replace() vulnerability
+ by uploading a crafted .message file or sending specially crafted
+ commands to the server, possibly resulting in the execution of
+ arbitrary code with the rights of the user running ProFTPD. An
+ unauthenticated attacker could send specially crafted data to the
+ server with mod_tls enabled which could result in the execution of
+ arbitrary code with the rights of the user running ProFTPD. Finally,
+ the off-by-two error related to the CommandBufferSize configuration
+ directive was fixed - exploitability of this error is disputed. Note
+ that the default configuration on Gentoo is to run ProFTPD as an
+ unprivileged user, and has mod_tls disabled.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All ProFTPD users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-ftp/proftpd-1.3.0a"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5815">CVE-2006-5815</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6170">CVE-2006-6170</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6171">CVE-2006-6171 (disputed)</uri>
+ </references>
+ <metadata tag="requester" timestamp="2006-11-28T20:50:41Z">
+ falco
+ </metadata>
+ <metadata tag="submitter" timestamp="2006-11-29T12:52:56Z">
+ aetius
+ </metadata>
+ <metadata tag="bugReady" timestamp="2006-11-30T22:38:58Z">
+ falco
+ </metadata>
+</glsa>