glsa-201810-03.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201810-03">
  <title>OpenSSH: User enumeration vulnerability</title>
  <synopsis>A vulnerability in OpenSSH might allow remote attackers to
    determine valid usernames.
  </synopsis>
  <product type="ebuild">openssh</product>
  <announced>2018-10-06</announced>
  <revised count="1">2018-10-06</revised>
  <bug>664264</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/openssh" auto="yes" arch="*">
      <unaffected range="ge">7.7_p1-r8</unaffected>
      <vulnerable range="lt">7.7_p1-r8</vulnerable>
    </package>
  </affected>
  <background>
    <p>OpenSSH is a complete SSH protocol implementation that includes SFTP
      client and server support.
    </p>
  </background>
  <description>
    <p>It was discovered that OpenSSH was prone to a user enumeration
      vulnerability.
    </p>
  </description>
  <impact type="low">
    <p>A remote attacker could conduct user enumeration.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All OpenSSH users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/openssh-7.7_p1-r8"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-15473">CVE-2018-15473</uri>
  </references>
  <metadata tag="requester" timestamp="2018-08-23T00:18:32Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2018-10-06T17:02:32Z">whissi</metadata>
</glsa>