glsa-201706-19.xml


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