<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202101-32">
  <title>Mutt, NeoMutt: Information disclosure</title>
  <synopsis>A weakness was discovered in Mutt and NeoMutt's TLS handshake
    handling
  </synopsis>
  <product type="ebuild">NeoMutt</product>
  <announced>2021-01-26</announced>
  <revised count="1">2021-01-26</revised>
  <bug>755833</bug>
  <bug>755866</bug>
  <access>remote</access>
  <affected>
    <package name="mail-client/mutt" auto="yes" arch="*">
      <unaffected range="ge">2.0.2</unaffected>
      <vulnerable range="lt">2.0.2</vulnerable>
    </package>
    <package name="mail-client/neomutt" auto="yes" arch="*">
      <unaffected range="ge">20201120</unaffected>
      <vulnerable range="lt">20201120</vulnerable>
    </package>
  </affected>
  <background>
    <p>Mutt is a small but very powerful text-based mail client.</p>
    
    <p>NeoMutt is a command line mail reader (or MUA). It’s a fork of Mutt
      with added features.
    </p>
  </background>
  <description>
    <p>A weakness in TLS handshake handling was found which may allow
      information disclosure.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker may be able to cause information disclosure.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Mutt users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=mail-client/mutt-2.0.2"
    </code>
    
    <p>All NeoMutt users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=mail-client/neomutt-20201120"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-28896">CVE-2020-28896</uri>
  </references>
  <metadata tag="requester" timestamp="2021-01-26T00:28:06Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2021-01-26T23:39:28Z">sam_c</metadata>
</glsa>
