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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201607-12">
<title>Exim: Arbitrary code execution</title>
<synopsis>A local attacker could execute arbitrary code by providing
unsanitized data to a data source or escalate privileges.
</synopsis>
<product type="ebuild">exim</product>
<announced>July 20, 2016</announced>
<revised>July 20, 2016: 1</revised>
<bug>517934</bug>
<bug>576582</bug>
<access>local</access>
<affected>
<package name="mail-mta/exim" auto="yes" arch="*">
<unaffected range="ge">4.87</unaffected>
<vulnerable range="lt">4.87</vulnerable>
</package>
</affected>
<background>
<p>Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.
</p>
</background>
<description>
<p>Vulnerabilities have been discovered in Exim’s implementation of
set-uid root and when using ‘perl_startup’. These vulnerabilities
require a user account on the Exim server and a configuration that does
lookups against files to which the user has edit access.
</p>
</description>
<impact type="normal">
<p>A local attacker could possibly execute arbitrary code with the
privileges of the process, or escalate privileges.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Exim users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=mail-mta/exim-4.87"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2972">CVE-2014-2972</uri>
</references>
<metadata tag="requester" timestamp="Sat, 28 Mar 2015 20:38:10 +0000">
keytoaster
</metadata>
<metadata tag="submitter" timestamp="Wed, 20 Jul 2016 11:18:46 +0000">b-man</metadata>
</glsa>