metadata/glsa/glsa-202006-23.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202006-23">
  <title>Cyrus IMAP Server: Access restriction bypass</title>
  <synopsis>An error in Cyrus IMAP Server allows mailboxes to be created with
    administrative privileges.
  </synopsis>
  <product type="ebuild">cyrusimap</product>
  <announced>2020-06-15</announced>
  <revised count="1">2020-06-15</revised>
  <bug>703630</bug>
  <access>remote</access>
  <affected>
    <package name="net-mail/cyrus-imapd" auto="yes" arch="*">
      <unaffected range="ge">3.0.13</unaffected>
      <vulnerable range="lt">3.0.13</vulnerable>
    </package>
  </affected>
  <background>
    <p>The Cyrus IMAP Server is an efficient, highly-scalable IMAP e-mail
      server.
    </p>
  </background>
  <description>
    <p>An issue was discovered in Cyrus IMAP Server where sieve script
      uploading is excessively trusted.
    </p>
  </description>
  <impact type="normal">
    <p>A user can use a sieve script to create any mailbox with administrator
      privileges.
    </p>
  </impact>
  <workaround>
    <p>Disable sieve script uploading until the upgrade is complete.</p>
  </workaround>
  <resolution>
    <p>All Cyrus IMAP Server users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-mail/cyrus-imapd-3.0.13"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19783">CVE-2019-19783</uri>
  </references>
  <metadata tag="requester" timestamp="2020-05-22T07:13:03Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2020-06-15T15:58:17Z">sam_c</metadata>
</glsa>