glsa-202009-11.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202009-11">
  <title>ProFTPD: Denial of service</title>
  <synopsis>A vulnerability in ProFTPD could lead to a Denial of Service
    condition.
  </synopsis>
  <product type="ebuild">proftpd</product>
  <announced>2020-09-13</announced>
  <revised count="1">2020-09-13</revised>
  <bug>733376</bug>
  <access>local, remote</access>
  <affected>
    <package name="net-ftp/proftpd" auto="yes" arch="*">
      <unaffected range="ge">1.3.7a</unaffected>
      <vulnerable range="lt">1.3.7a</vulnerable>
    </package>
  </affected>
  <background>
    <p>ProFTPD is an advanced and very configurable FTP server.</p>
  </background>
  <description>
    <p>It was found that ProFTPD did not properly handle invalid SCP commands.</p>
  </description>
  <impact type="low">
    <p>An authenticated remote attacker could issue invalid SCP commands,
      possibly resulting in  a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All ProFTPD users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-ftp/proftpd-1.3.7a"
    </code>
  </resolution>
  <references>
    <uri link="https://github.com/proftpd/proftpd/issues/1043">Invalid SCP
      command leads to null pointer dereference
    </uri>
  </references>
  <metadata tag="requester" timestamp="2020-09-12T20:04:18Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-09-13T23:27:17Z">whissi</metadata>
</glsa>