glsa-201706-11.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201706-11">
  <title>PCRE library: Denial of Service</title>
  <synopsis>A vulnerability in PCRE library allows remote attackers to cause a
    Denial of Service condition.
  </synopsis>
  <product type="ebuild">PCRE</product>
  <announced>2017-06-06</announced>
  <revised count="1">2017-06-06</revised>
  <bug>609592</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/libpcre" auto="yes" arch="*">
      <unaffected range="ge">8.40-r1</unaffected>
      <vulnerable range="lt">8.40-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>PCRE library is a set of functions that implement regular expression
      pattern matching using the same syntax and semantics as Perl 5.
    </p>
  </background>
  <description>
    <p>It was found that the compile_bracket_matchingpath function in
      pcre_jit_compile.c in PCRE library is vulnerable to an out-of-bounds
      read.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could possibly cause a Denial of Service condition via
      a special crafted regular expression.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All PCRE library users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/libpcre-8.40-r1"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6004">CVE-2017-6004</uri>
  </references>
  <metadata tag="requester" timestamp="2017-04-26T00:55:28Z">BlueKnight</metadata>
  <metadata tag="submitter" timestamp="2017-06-06T19:43:31Z">whissi</metadata>
</glsa>