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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201706-19">
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<title>GNU C Library: Multiple vulnerabilities</title>
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<synopsis>Multiple vulnerabilities have been found in the GNU C Library, the
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worst of which may allow execution of arbitrary code.
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</synopsis>
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<product type="ebuild">glibc</product>
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<announced>2017-06-20</announced>
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<revised count="2">2017-06-20</revised>
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<bug>608698</bug>
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<bug>608706</bug>
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<bug>622220</bug>
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<access>local, remote</access>
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<affected>
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<package name="sys-libs/glibc" auto="yes" arch="*">
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<unaffected range="ge">2.23-r4</unaffected>
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<vulnerable range="lt">2.23-r4</vulnerable>
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</package>
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</affected>
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<background>
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<p>The GNU C library is the standard C library used by Gentoo Linux
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systems.
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</p>
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</background>
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<description>
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<p>Multiple vulnerabilities have been discovered in the GNU C Library.
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Please review the CVE identifiers and Qualys’ security advisory
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referenced below for details.
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</p>
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</description>
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<impact type="high">
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<p>An attacker could possibly execute arbitrary code with the privileges of
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the process, escalate privileges or cause a Denial of Service condition.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All GNU C Library users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.23-r4"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5180">CVE-2015-5180</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6323">CVE-2016-6323</uri>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000366">
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CVE-2017-1000366
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</uri>
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<uri link="https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt">
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Qualys Security Advisory - The Stack Clash
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</uri>
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</references>
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<metadata tag="requester" timestamp="2017-06-20T17:01:37Z">whissi</metadata>
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<metadata tag="submitter" timestamp="2017-06-20T17:49:43Z">whissi</metadata>
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</glsa>
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