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gentoo-overlay/metadata/glsa/glsa-200907-03.xml

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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200907-03">
<title>APR Utility Library: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities in the Apache Portable Runtime Utility Library
might enable remote attackers to cause a Denial of Service or disclose
sensitive information.
</synopsis>
<product type="ebuild">apr-util</product>
<announced>July 04, 2009</announced>
<revised>July 04, 2009: 01</revised>
<bug>268643</bug>
<bug>272260</bug>
<bug>274193</bug>
<access>remote</access>
<affected>
<package name="dev-libs/apr-util" auto="yes" arch="*">
<unaffected range="ge">1.3.7</unaffected>
<vulnerable range="lt">1.3.7</vulnerable>
</package>
</affected>
<background>
<p>
The Apache Portable Runtime Utility Library (aka apr-util) provides an
interface to functionality such as XML parsing, string matching and
databases connections.
</p>
</background>
<description>
<p>
Multiple vulnerabilities have been discovered in the APR Utility
Library:
</p>
<ul>
<li>Matthew Palmer reported a heap-based buffer
underflow while compiling search patterns in the
apr_strmatch_precompile() function in strmatch/apr_strmatch.c
(CVE-2009-0023).</li>
<li>kcope reported that the expat XML parser in
xml/apr_xml.c does not limit the amount of XML entities expanded
recursively (CVE-2009-1955).</li>
<li>C. Michael Pilato reported an
off-by-one error in the apr_brigade_vprintf() function in
buckets/apr_brigade.c (CVE-2009-1956).</li>
</ul>
</description>
<impact type="normal">
<p>
A remote attacker could exploit these vulnerabilities to cause a Denial
of Service (crash or memory exhaustion) via an Apache HTTP server
running mod_dav or mod_dav_svn, or using several configuration files.
Additionally, a remote attacker could disclose sensitive information or
cause a Denial of Service by sending a specially crafted input. NOTE:
Only big-endian architectures such as PPC and HPPA are affected by the
latter flaw.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Apache Portable Runtime Utility Library users should upgrade to the
latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/apr-util-1.3.7&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0023">CVE-2009-0023</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1955">CVE-2009-1955</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1956">CVE-2009-1956</uri>
</references>
<metadata tag="requester" timestamp="Fri, 26 Jun 2009 08:48:34 +0000">
a3li
</metadata>
<metadata tag="submitter" timestamp="Sun, 28 Jun 2009 12:16:58 +0000">
a3li
</metadata>
<metadata tag="bugReady" timestamp="Sat, 04 Jul 2009 07:45:32 +0000">
a3li
</metadata>
</glsa>