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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200812-16">
<title>Dovecot: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities were found in the Dovecot mailserver.
</synopsis>
<product type="ebuild">dovecot</product>
<announced>December 14, 2008</announced>
<revised>December 14, 2008: 01</revised>
<bug>240409</bug>
<bug>244962</bug>
<bug>245316</bug>
<access>remote</access>
<affected>
<package name="net-mail/dovecot" auto="yes" arch="*">
<unaffected range="ge">1.1.7-r1</unaffected>
<vulnerable range="lt">1.1.7-r1</vulnerable>
</package>
</affected>
<background>
<p>
Dovecot is an IMAP and POP3 server written with security primarily in
mind.
</p>
</background>
<description>
<p>
Several vulnerabilities were found in Dovecot:
</p>
<ul>
<li>The "k"
right in the acl_plugin does not work as expected (CVE-2008-4577,
CVE-2008-4578)</li>
<li>The dovecot.conf is world-readable, providing
improper protection for the ssl_key_password setting
(CVE-2008-4870)</li>
<li>A permanent Denial of Service with broken mail
headers is possible (CVE-2008-4907)</li>
</ul>
</description>
<impact type="normal">
<p>
These vulnerabilities might allow a remote attacker to cause a Denial
of Service, to circumvent security restrictions or allow local
attackers to disclose the passphrase of the SSL private key.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Dovecot users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-mail/dovecot-1.1.7-r1&quot;</code>
<p>
Users should be aware that dovecot.conf will still be world-readable
after the update. If employing ssl_key_password, it should not be used
in dovecot.conf but in a separate file which should be included with
"include_try".
</p>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4577">CVE-2008-4577</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4578">CVE-2008-4578</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4870">CVE-2008-4870</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4907">CVE-2008-4907</uri>
</references>
<metadata tag="submitter" timestamp="Sat, 29 Nov 2008 10:07:16 +0000">
craig
</metadata>
<metadata tag="bugReady" timestamp="Sat, 06 Dec 2008 18:05:53 +0000">
p-y
</metadata>
</glsa>