glsa-201802-05.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201802-05">
  <title>Ruby: Command injection</title>
  <synopsis>A vulnerability has been found in Ruby which may allow for
    arbitrary command execution.
  </synopsis>
  <product type="ebuild">ruby</product>
  <announced>2018-02-20</announced>
  <revised count="1">2018-02-20</revised>
  <bug>641090</bug>
  <access>remote</access>
  <affected>
    <package name="dev-lang/ruby" auto="yes" arch="*">
      <unaffected range="ge" slot="2.2">2.2.9</unaffected>
      <vulnerable range="lt" slot="2.2">2.2.9</vulnerable>
    </package>
  </affected>
  <background>
    <p>Ruby is an interpreted object-oriented programming language. The
      elaborate standard library includes an HTTP server (“WEBRick”) and a
      class for XML parsing (“REXML”).
    </p>
  </background>
  <description>
    <p>A command injection flaw was discovered in Net::FTP which impacts Ruby.</p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by enticing a user to download and open a crafted
      file from a malicious FTP server, could execute arbitrary commands with
      the privileges of the process.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Ruby users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-lang/ruby-2.2.9:2.2"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-17405">CVE-2017-17405</uri>
  </references>
  <metadata tag="requester" timestamp="2018-01-29T21:08:51Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2018-02-20T00:47:06Z">b-man</metadata>
</glsa>