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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201607-10">
<title>Varnish: Multiple vulnerabilities</title>
<synopsis>Improper input validation in Varnish allows remote attackers to
conduct HTTP smuggling attacks, and possibly trigger a buffer overflow.
</synopsis>
<product type="ebuild"/>
<announced>2016-07-20</announced>
<revised count="1">2016-07-20</revised>
<bug>542886</bug>
<access>remote</access>
<affected>
<package name="www-servers/varnish" auto="yes" arch="*">
<unaffected range="ge">3.0.7</unaffected>
<vulnerable range="lt">3.0.7</vulnerable>
</package>
</affected>
<background>
<p>Varnish is a web application accelerator.</p>
</background>
<description>
<p>Varnish fails to properly validate input from HTTP headers, and does not
deny requests with multiple Content-Length headers.
</p>
</description>
<impact type="normal">
<p>Remote attackers could conduct an HTTP response splitting attack, which
may further enable them to conduct Cross-Site Scripting (XSS), Cache
Poisoning, Defacement, and Page Hijacking.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Varnish users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=www-servers/varnish-3.0.7"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8852">CVE-2015-8852</uri>
</references>
<metadata tag="requester" timestamp="2016-07-02T01:59:09Z">b-man</metadata>
<metadata tag="submitter" timestamp="2016-07-20T09:01:06Z">b-man</metadata>
</glsa>