metadata/glsa/glsa-200704-20.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200704-20">
  <title>NAS: Multiple vulnerabilities</title>
  <synopsis>
    The Network Audio System is vulnerable to a buffer overflow that could
    result in the execution of arbitrary code with root privileges.
  </synopsis>
  <product type="ebuild">NAS</product>
  <announced>April 23, 2007</announced>
  <revised>April 23, 2007: 01</revised>
  <bug>171428</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/nas" auto="yes" arch="*">
      <unaffected range="ge">1.8b</unaffected>
      <vulnerable range="lt">1.8b</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    NAS is a network transparent, client/server audio transport system.
    </p>
  </background>
  <description>
    <p>
    Luigi Auriemma has discovered multiple vulnerabilities in NAS, some of
    which include a buffer overflow in the function accept_att_local(), an
    integer overflow in the function ProcAuWriteElement(), and a null
    pointer error in the function ReadRequestFromClient().
    </p>
  </description>
  <impact type="high">
    <p>
    An attacker having access to the NAS daemon could send an overly long
    slave name to the server, leading to the execution of arbitrary code
    with root privileges. A remote attacker could also send a specially
    crafted packet containing an invalid client ID, which would crash the
    server and result in a Denial of Service.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All NAS users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=media-libs/nas-1.8b&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1543">CVE-2007-1543</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1544">CVE-2007-1544</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1545">CVE-2007-1545</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1546">CVE-2007-1546</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1547">CVE-2007-1547</uri>
  </references>
  <metadata tag="requester" timestamp="Mon, 02 Apr 2007 13:48:29 +0000">
    p-y
  </metadata>
  <metadata tag="submitter" timestamp="Mon, 02 Apr 2007 15:19:59 +0000">
    p-y
  </metadata>
  <metadata tag="bugReady" timestamp="Thu, 12 Apr 2007 14:16:06 +0000">
    jaervosz
  </metadata>
</glsa>