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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200704-18">
+ <title>Courier-IMAP: Remote execution of arbitrary code</title>
+ <synopsis>
+ A vulnerability has been discovered in Courier-IMAP allowing for remote
+ code execution with root privileges.
+ </synopsis>
+ <product type="ebuild">courier-imap</product>
+ <announced>2007-04-22</announced>
+ <revised count="02">2007-04-23</revised>
+ <bug>168196</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-mail/courier-imap" auto="yes" arch="*">
+ <unaffected range="ge">4.0.6-r2</unaffected>
+ <unaffected range="lt">4.0.0</unaffected>
+ <vulnerable range="lt">4.0.6-r2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Courier-IMAP is an IMAP server which is part of the Courier mail
+ system. It provides access only to maildirs.
+ </p>
+ </background>
+ <description>
+ <p>
+ CJ Kucera has discovered that some Courier-IMAP scripts don't properly
+ handle the XMAILDIR variable, allowing for shell command injection.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ A remote attacker could send specially crafted login credentials to a
+ Courier-IMAP server instance, possibly leading to remote code execution
+ with root privileges.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Courier-IMAP users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=net-mail/courier-imap-4.0.6-r2"</code>
+ </resolution>
+ <references/>
+ <metadata tag="requester" timestamp="2007-04-12T14:15:03Z">
+ jaervosz
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-04-12T14:15:17Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-04-16T21:50:11Z">
+ p-y
+ </metadata>
+</glsa>