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<?xml version="1.0" encoding="UTF-8"?>
<glsa id="201209-15">
<title>Asterisk: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in Asterisk, the worst of
which may allow execution of arbitrary code.
<product type="ebuild">asterisk</product>
<announced>September 26, 2012</announced>
<revised>September 26, 2012: 1</revised>
<package name="net-misc/asterisk" auto="yes" arch="*">
<unaffected range="ge"></unaffected>
<vulnerable range="lt"></vulnerable>
<p>Asterisk is an open source telephony engine and toolkit.</p>
<p>Multiple vulnerabilities have been found in Asterisk:</p>
<li>An error in manager.c allows shell access (CVE-2012-2186).</li>
<li>An error in Asterisk could cause all RTP ports to be exhausted
<li>A double-free error could occur when two parties attempt to
manipulate the same voicemail account simultaneously (CVE-2012-3863).
<li>Asterisk does not properly implement certain ACL rules
<impact type="normal">
<p>A remote, authenticated attacker could execute arbitrary code with the
privileges of the process, cause a Denial of Service condition, or bypass
outbound call restrictions.
<p>There is no known workaround at this time.</p>
<p>All Asterisk users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-misc/asterisk-"
<uri link="">CVE-2012-2186</uri>
<uri link="">CVE-2012-3812</uri>
<uri link="">CVE-2012-3863</uri>
<uri link="">CVE-2012-4737</uri>
<metadata tag="requester" timestamp="Tue, 14 Aug 2012 15:47:40 +0000">
<metadata tag="submitter" timestamp="Wed, 26 Sep 2012 21:43:31 +0000">ackle</metadata>