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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201006-20">
<title>Asterisk: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities in Asterisk might allow remote attackers to cause
a Denial of Service condition, or conduct other attacks.
</synopsis>
<product type="ebuild">asterisk</product>
<announced>June 04, 2010</announced>
<revised>June 04, 2010: 01</revised>
<bug>281107</bug>
<bug>283624</bug>
<bug>284892</bug>
<bug>295270</bug>
<access>remote</access>
<affected>
<package name="net-misc/asterisk" auto="yes" arch="*">
<unaffected range="ge">1.2.37</unaffected>
<vulnerable range="lt">1.2.37</vulnerable>
</package>
</affected>
<background>
<p>
Asterisk is an open source telephony engine and toolkit.
</p>
</background>
<description>
<p>
Multiple vulnerabilities have been reported in Asterisk:
</p>
<ul>
<li>Nick Baggott reported that Asterisk does not properly process
overly long ASCII strings in various packets (CVE-2009-2726).</li>
<li>Noam Rathaus and Blake Cornell reported a flaw in the IAX2 protocol
implementation (CVE-2009-2346).</li>
<li>amorsen reported an input
processing error in the RTP protocol implementation
(CVE-2009-4055).</li>
<li>Patrik Karlsson reported an information
disclosure flaw related to the REGISTER message (CVE-2009-3727).</li>
<li>A vulnerability was found in the bundled Prototype JavaScript
library, related to AJAX calls (CVE-2008-7220).</li>
</ul>
</description>
<impact type="normal">
<p>
A remote attacker could exploit these vulnerabilities by sending a
specially crafted package, possibly causing a Denial of Service
condition, or resulting in information disclosure.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Asterisk users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-misc/asterisk-1.2.37&quot;</code>
<p>
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since January 5, 2010. It is likely that your system is
already no longer affected by this issue.
</p>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2726">CVE-2009-2726</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2346">CVE-2009-2346</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4055">CVE-2009-4055</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3727">CVE-2009-3727</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-7220">CVE-2008-7220</uri>
</references>
<metadata tag="requester" timestamp="Fri, 06 Nov 2009 13:21:43 +0000">
craig
</metadata>
<metadata tag="submitter" timestamp="Mon, 31 May 2010 15:08:16 +0000">
a3li
</metadata>
<metadata tag="bugReady" timestamp="Mon, 31 May 2010 15:08:22 +0000">
a3li
</metadata>
</glsa>