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>>                                                      CERT-NL, 01-Mar-2000 <<
>> All CERT-NL information has been moved to http://cert.surfnet.nl.  Links  <<
>> to CERT-NL information contained in this advisory are therefore outdated. <<
>>                                                                           <<
>> CERT-NL also has stopped the CERT-CC-Mirror service.  Due to this the     <<
>> links to the CERT-CC mirror are obsolete. Visit the CERT-CC site for the  <<
>> complete CERT-CC advisory texts:                     http://www.cert.org  <<
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Security Advisory                                                       CERT-NL
===============================================================================
Author/Source : Nico de Koo                                 Index  :    S-98-22
Distribution  : World                                       Page   :          1
Classification: External                                    Version:          1
Subject       : SUN: mountd                                 Date   :  06-May-98
===============================================================================

By courtesy of SUN Microsystems, Inc. we received
information on a vulnerability in th at program in various versions of SunOS

CERT-NL recommends application of the provided patches.
==============================================================================
____________________________________________
      Sun Microsystems, Inc. Security Bulletin

Bulletin Number:  #00168
Date:       April 29, 1998
Cross-Ref:
Title:      mountd
________________________________________________________________________________

The information contained in this Security Bulletin is provided "AS IS."
Sun makes no warranties of any kind whatsoever with respect to the information
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS,
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT OR
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.

IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE,
PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN
THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES.

If any of the above provisions are held to be in violation of applicable law,
void, or unenforceable in any jurisdiction, then such provisions are waived
to the extent necessary for this disclaimer to be otherwise enforceable in
such jurisdiction.
________________________________________________________________________________

1.  Bulletins Topics

    Sun announces the release of patches for Solaris(tm) 2.6, 2.5.1, 2.5,
    2.4, and 2.3 (SunOS(tm) 5.6, 5.5.1, 5.5, 5.4, 5.3), which relate to
    a vulnerability in rpc.mountd.

    Sun recommends that you install the patches listed in section 4
    immediately on systems running SunOS 5.6, 5.5.1, 5.5, 5.4, and 5.3.

2.  Who is Affected

    Vulnerable:  SunOS 5.6, 5.6_x86, 5.5.1, 5.5.1_x86, 5.5, 5.5_x86,
       5.4, 5.4_x86, and 5.3.

    Not vulnerable: All other supported versions of SunOS.

3.  Understanding the Vulnerability

    mountd is an RPC server that handles NFS file system mount requests.
    A vulnerability has been discovered with mountd which, if exploited,
    allows the attacker to obtain information about any file that exists
    on the NFS server even though the file in question is not a part of
    the NFS exported file system.

4.  List of Patches

    The following patches are available in relation to the above problem.

    SunOS    Patch ID
    _____    _________

    SunOS 5.6    105615-03
    SunOS 5.6_x86  105616-03
    SunOS 5.5.1    104220-03
    SunOS 5.5.1_x86  104221-03
    SunOS 5.5    104223-02
    SunOS 5.5_x86  104224-02
    SunOS 5.4    102685-02
    SunOS 5.4_x86  102686-02
    SunOS 5.3    102654-02

_______________________________________________________________________________
APPENDICES

A.  Patches listed in this bulletin are available to all Sun customers via
    World Wide Web at:

     <URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

B.  Checksums for the patches listed in this bulletin are available via
    World Wide Web at:

     <URL:http://sunsolve.sun.com/sunsolve/pubpatches/patches.html>

C.  Sun security bulletins are available via World Wide Web at:

 <URL:http://sunsolve.sun.com/sunsolve/secbulletins>

==============================================================================
CERT-NL wishes to thank SUN Microsystems, Inc for bringing this information to
our attention
==============================================================================
CERT-NL is the Computer Emergency Response Team for SURFnet customers. SURFnet
is the Dutch network for educational, research and related institutes. CERT-NL
is a member of the Forum of Incident Response and Security Teams (FIRST).

All CERT-NL material is available under:
  http://cert.surfnet.nl/

In case of computer or network security problems please contact your local
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              Attn. CERT-NL
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