glsa-201201-07.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201201-07">
  <title>NX Server Free Edition, NX Node: Privilege escalation</title>
  <synopsis>An unspecified vulnerability in NX Server Free Edition and NX Node
    could allow local attackers to gain root privileges.
  </synopsis>
  <product type="ebuild">NX Server NX Node</product>
  <announced>2012-01-23</announced>
  <revised count="1">2012-01-23</revised>
  <bug>378345</bug>
  <access>local</access>
  <affected>
    <package name="net-misc/nxserver-freeedition" auto="yes" arch="*">
      <unaffected range="ge">3.5.0.5</unaffected>
      <vulnerable range="lt">3.5.0.5</vulnerable>
    </package>
    <package name="net-misc/nxnode" auto="yes" arch="*">
      <unaffected range="ge">3.5.0.4</unaffected>
      <vulnerable range="lt">3.5.0.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>NX Server Free Edition is a remote display technology by No Machine. NX
      Node provides the shared components for NX Server.
    </p>
  </background>
  <description>
    <p>NX Server Free Edition and NX Node use nxconfigure.sh, a setuid script
      containing an unspecified vulnerability. 
    </p>
  </description>
  <impact type="high">
    <p>A local attacker could gain escalated privileges.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All NX Server Free Edition users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose
      "&gt;=net-misc/nxserver-freeedition-3.5.0.5"
    </code>
    
    <p>All NX Node users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/nxnode-3.5.0.4"
    </code>
    
    <p>NOTE: This is a legacy GLSA. Updates for all affected architectures are
      available since August 23, 2011. It is likely that your system is already
      no longer affected by this issue.
    </p>
  </resolution>
  <references>
    <uri link="https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-3977">
      CVE-2011-3977
    </uri>
  </references>
  <metadata timestamp="2011-10-07T23:38:19Z" tag="requester">
    underling
  </metadata>
  <metadata timestamp="2012-01-23T11:55:50Z" tag="submitter">ackle</metadata>
</glsa>