glsa-202006-01.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202006-01">
  <title>GnuTLS: Information disclosure</title>
  <synopsis>An information disclosure vulnerability in GnuTLS allow remote
    attackers to obtain sensitive information.
  </synopsis>
  <product type="ebuild">gnutls</product>
  <announced>2020-06-09</announced>
  <revised count="1">2020-06-09</revised>
  <bug>727108</bug>
  <access>remote</access>
  <affected>
    <package name="net-libs/gnutls" auto="yes" arch="*">
      <unaffected range="ge">3.6.14</unaffected>
      <vulnerable range="lt">3.6.14</vulnerable>
    </package>
  </affected>
  <background>
    <p>GnuTLS is an Open Source implementation of the TLS and SSL protocols.</p>
  </background>
  <description>
    <p>A flaw was reported in the TLS session ticket key construction in
      GnuTLS.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could recover previous conversations in TLS 1.2 and
      obtain sensitive information or conduct a man-in-the-middle attack to
      bypass authentication in TLS 1.3.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All GnuTLS user should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-libs/gnutls-3.6.14"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-13777">CVE-2020-13777</uri>
  </references>
  <metadata tag="requester" timestamp="2020-06-05T15:47:41Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-06-09T14:41:33Z">sam_c</metadata>
</glsa>