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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201203-22">
<title>nginx: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in nginx, the worst of
which may allow execution of arbitrary code.
</synopsis>
<product type="ebuild">nginx</product>
<announced>March 28, 2012</announced>
<revised>March 28, 2012: 1</revised>
<bug>293785</bug>
<bug>293786</bug>
<bug>293788</bug>
<bug>389319</bug>
<bug>408367</bug>
<access>remote</access>
<affected>
<package name="www-servers/nginx" auto="yes" arch="*">
<unaffected range="ge">1.0.14</unaffected>
<vulnerable range="lt">1.0.14</vulnerable>
</package>
</affected>
<background>
<p>nginx is a robust, small, and high performance HTTP and reverse proxy
server.
</p>
</background>
<description>
<p>Multiple vulnerabilities have been found in nginx:</p>
<ul>
<li>The TLS protocol does not properly handle session renegotiation
requests (CVE-2009-3555).
</li>
<li>The "ngx_http_process_request_headers()" function in ngx_http_parse.c
could cause a NULL pointer dereference (CVE-2009-3896).
</li>
<li>nginx does not properly sanitize user input for the the WebDAV COPY
or MOVE methods (CVE-2009-3898).
</li>
<li>The "ngx_resolver_copy()" function in ngx_resolver.c contains a
boundary error which could cause a heap-based buffer overflow
(CVE-2011-4315).
</li>
<li>nginx does not properly parse HTTP header responses which could
expose sensitive information (CVE-2012-1180).
</li>
</ul>
</description>
<impact type="high">
<p>A remote attacker could possibly execute arbitrary code with the
privileges of the nginx process, cause a Denial of Service condition,
create or overwrite arbitrary files, or obtain sensitive information.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All nginx users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=www-servers/nginx-1.0.14"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3555">CVE-2009-3555
</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3896">CVE-2009-3896
</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3898">CVE-2009-3898
</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4315">CVE-2011-4315
</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1180">CVE-2012-1180
</uri>
</references>
<metadata timestamp="Fri, 07 Oct 2011 23:37:49 +0000" tag="requester">craig</metadata>
<metadata timestamp="Wed, 28 Mar 2012 10:35:47 +0000" tag="submitter">ackle</metadata>
</glsa>