glsa-201801-20.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201801-20">
  <title>Fossil: User-assisted execution of arbitrary code</title>
  <synopsis>A vulnerability has been discovered in Fossil allowing for
    user-assisted remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">fossil</product>
  <announced>2018-01-27</announced>
  <revised count="1">2018-01-27</revised>
  <bug>640208</bug>
  <access>remote</access>
  <affected>
    <package name="dev-vcs/fossil" auto="yes" arch="*">
      <unaffected range="ge">2.4</unaffected>
      <vulnerable range="lt">2.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>Fossil is a simple, high-reliability, distributed software configuration
      management system.
    </p>
  </background>
  <description>
    <p>Fossil does not properly validate SSH sync protocol URLs.</p>
  </description>
  <impact type="normal">
    <p>A remote attacker, by enticing a user to open a specially crafted URL,
      could possibly execute arbitrary commands with the privileges of the user
      running the application.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Fossil users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-vcs/fossil-2.4"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-17459">CVE-2017-17459</uri>
  </references>
  <metadata tag="requester" timestamp="2018-01-22T21:39:18Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2018-01-27T17:00:59Z">b-man</metadata>
</glsa>