glsa-201702-24.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201702-24">
  <title>LibVNCServer/LibVNCClient: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in
    LibVNCServer/LibVNCClient, the worst of which allows remote attackers to
    execute arbitrary code when connecting to a malicious server.
  </synopsis>
  <product type="ebuild">libvncserver</product>
  <announced>2017-02-20</announced>
  <revised>2017-02-20: 1</revised>
  <bug>605326</bug>
  <access>remote</access>
  <affected>
    <package name="net-libs/libvncserver" auto="yes" arch="*">
      <unaffected range="ge">0.9.11</unaffected>
      <vulnerable range="lt">0.9.11</vulnerable>
    </package>
  </affected>
  <background>
    <p>LibVNCServer/LibVNCClient are cross-platform C libraries that allow you
      to easily implement VNC server or client functionality in your program.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in LibVNCServer and
      LibVNCClient. Please review the CVE identifiers referenced below for
      details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to connect to a malicious VNC
      server or leverage Man-in-the-Middle attacks to cause the execution of
      arbitrary code with the privileges of the user running a VNC client
      linked against LibVNCClient.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All LibVNCServer/LibVNCClient users should upgrade to the latest
      version:
    </p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-libs/libvncserver-0.9.11"
    </code>
  </resolution>
  <references>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9941">CVE-2016-9941</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9942">CVE-2016-9942</uri>
  </references>
  <metadata tag="requester" timestamp="2017-02-05T22:55:00Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2017-02-20T23:45:56Z">whissi</metadata>
</glsa>